QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#611598#5161. Last Guesspokorfanclub#AC ✓31ms4916kbC++144.1kb2024-10-04 21:38:462024-10-04 21:38:46

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 3560kb

input:

4 5
reply YYGBB
refer BBBGG
puppy YYGBB

output:

upper

result:

ok 

Test #2:

score: 0
Accepted
time: 1ms
memory: 3724kb

input:

2 12
aabbccddeeff GGGYGBYYYBBB

output:

aabzczzzbdde

result:

ok 

Test #3:

score: 0
Accepted
time: 30ms
memory: 4916kb

input:

25 500
qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqoqqqqqqqqqqqqqqqqqqqqqqoqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqjq...

output:

zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzozzzzzzzz...

result:

ok 

Test #4:

score: 0
Accepted
time: 29ms
memory: 4848kb

input:

24 500
vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvuvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv...

output:

zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzszzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz...

result:

ok 

Test #5:

score: 0
Accepted
time: 29ms
memory: 4852kb

input:

23 500
qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqgqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqgqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqgqqqqq...

output:

yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy...

result:

ok 

Test #6:

score: 0
Accepted
time: 29ms
memory: 4840kb

input:

22 500
ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccoccccccccccccccccccccccccccccccccccccccccccccccccfccccccccccccccccccccccccccccccccc...

output:

zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzxzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz...

result:

ok 

Test #7:

score: 0
Accepted
time: 1ms
memory: 3656kb

input:

30 20
azzzzzzzzzzzzzzzzzzz YBBBBBBBBBBBBBBBBBBB
zazzzzzzzzzzzzzzzzzz BGBBBBBBBBBBBBBBBBBB
zzazzzzzzzzzzzzzzzzz BBYBBBBBBBBBBBBBBBBB
zzzazzzzzzzzzzzzzzzz BBBYBBBBBBBBBBBBBBBB
zzzzazzzzzzzzzzzzzzz BBBBGBBBBBBBBBBBBBBB
zzzzzazzzzzzzzzzzzzz BBBBBYBBBBBBBBBBBBBB
zzzzzzazzzzzzzzzzzzz BBBBBBYBBBBBBBBBBBBB
...

output:

vavjablpmyavasaaqaru

result:

ok 

Test #8:

score: 0
Accepted
time: 0ms
memory: 3632kb

input:

31 20
azzzzzzzzzzzzzzzzzzz GBBBBBBBBBBBBBBBBBBB
zazzzzzzzzzzzzzzzzzz BYBBBBBBBBBBBBBBBBBB
zzazzzzzzzzzzzzzzzzz BBYBBBBBBBBBBBBBBBBB
zzzazzzzzzzzzzzzzzzz BBBYBBBBBBBBBBBBBBBB
zzzzazzzzzzzzzzzzzzz BBBBYBBBBBBBBBBBBBBB
zzzzzazzzzzzzzzzzzzz BBBBBYBBBBBBBBBBBBBB
zzzzzzazzzzzzzzzzzzz BBBBBBGBBBBBBBBBBBBB
...

output:

aysduiasiaafbuqvayya

result:

ok 

Test #9:

score: 0
Accepted
time: 0ms
memory: 3876kb

input:

38 20
azzzzzzzzzzzzzzzzzzz YBBBBBBBBBBBBBBBBBBB
zazzzzzzzzzzzzzzzzzz BGBBBBBBBBBBBBBBBBBB
zzazzzzzzzzzzzzzzzzz BBYBBBBBBBBBBBBBBBBB
zzzazzzzzzzzzzzzzzzz BBBGBBBBBBBBBBBBBBBB
zzzzazzzzzzzzzzzzzzz BBBBGBBBBBBBBBBBBBBB
zzzzzazzzzzzzzzzzzzz BBBBBYBBBBBBBBBBBBBB
zzzzzzazzzzzzzzzzzzz BBBBBBYBBBBBBBBBBBBB
...

output:

sawaakoaaaeaoaahaaal

result:

ok 

Test #10:

score: 0
Accepted
time: 25ms
memory: 4492kb

input:

25 500
eppppsppppppappppapppaswppspwppeupppwpwppppwppspppppppapppppspppappwpppppspspuppppppppppupwppeppppppppuppppusppspppppppwppppppppspeppppppppppepspppeppuppppwpppppppppppppwpppppppwppupppppspppppppppppppupeppppppppsppppeppaeppppppppppppppppppappppppppppppppppsppwppuappppepupuapppeppppppapppppppp...

output:

vayjogcjsnarhzfrshqbxhgirsgmitjvlabdikinenuizmgwwuqtzohxzeudgtmnhsaiacratgwgjljtkyetowdwlaibdvksccbsonlmrdjlgbngconrstmidytrdknwgjvyxzueqskrnvqgzmtvaelfxubiaqctbexjeftotinkqfsusinolqbsxjgcrqwkerywwmyylevubemsnzagqjtuvcuhvrbcnfcxznfymkquskbhffkcxrezezkemfyfgfzirxlhanfbvrldlhfcavqzzcbyhycwtknftnxhomqg...

result:

ok 

Test #11:

score: 0
Accepted
time: 29ms
memory: 4552kb

input:

25 500
smxeetdiacxotgkpibsieraggqfjdbjxykzpiinrjxkmcczngkgpidtnacrzonzmrjsyfaiptigawddifgqxiiqibyymxvzncvifqsyfxmeodqwvwgqegpizkzfvsyywomkaviwjcasacijfbpjibvsroitinpfddjzcdkmxeisynrzipizmoyveveqwsfaqixobgrkstwtdtcfbwrvyvrgwdcmjozmitwcfitpzqdnikqbcpzyerwwigzdiczfmagmvacqxwbbiiiqrgxwvprvicjdsajinpmrrn...

output:

lxrggumnthrcukqbzoljgstkkayvmovrpqfbjjwsvrqxhhfwkqkbnmuwthsfcwfxsvlpytjbuzktdmmnykarnnanoppxrefwhejyalpyrxgcmadedkagkbnfqfyelppdcxqtendvhtlthnvyobvzoelscnuzwbymmvfhmqxrgnlpwsfjbjfxcpegegadlytajrcoksqludumuhyodsepeskdmhxvcfxjudhyzubfamwnqaohbfpgsddzkfmjhfyxtkxethardoojjzaskrdebsenhvmltvzwbxsswengqqwz...

result:

ok 

Test #12:

score: 0
Accepted
time: 22ms
memory: 4536kb

input:

25 500
zzzzzzzzzzezzzzzyzzzyfzzzzzyzfzzzzzuzzzzzzzzyezezzzyzzzzzzzzzzzzzzzuzzzzzzzzfzzzzzzzyzzezfzzzzzzzzzzzzzzzzzzzzzzzfzzzzzzzzzzzzzzuzzzzzzzzzzzzzzzzzzzzuzzzzzzzzzzzyzzzzuzzzzzzzyyzzzzzzzzzzzzzzzzzfzzzzzzzzzzyzzzzyzzzzzzeezzzzzzzzzzyzzzzzzzyzezzzfefzuzzzzzzzzzzzzzuzfzzzzzzezzzfzzzzzzzzzzyuezzfzzz...

output:

qjtwjfaynbvccrdxmkyemidubqxmbidthnhseryxlaeymvbvdqgmjplbtulcjwhffjcsftewuqbxixoaeklqmfcvjiyeuthdcnfrqlwcoynrwjtxyinarlkxyfwkcjwxsqbcldqgnhuohjjbalwyasdpgxqdrbenwmyonrsplnurofmmjjfkxwoqabotkkoatikpndnkqcqxmlpggmanbphuvvttrwehopqgmkreelbdmyvrhgivicskkpqgklfpyytlsxixrlogyvqanirnpjbxexfdmsvgfiepdgrsdfgd...

result:

ok 

Test #13:

score: 0
Accepted
time: 14ms
memory: 4672kb

input:

26 500
ffafffffafffffffffffffaaffaffffffffffffffffffffffffafffaffafffffffafffffffffffffffffffffffafaffffffffffafffffafffffffffafaffffffffffffffffffffaffffffffffffffffaffaffffffffffffffaffffffffffafffffafffaaffffffafafffafffffffffffffffaaffffffafffffffffffafffffffffffafffffafffffffaffffffffffafafffff...

output:

jlfbhgclfgttbbjhnbeionffhnfhchbnthnxbonioeblbbwogonfobtfnofjtwbtbpfnjtgblwphwpgxgjcbhtnothftfwbhhpbcpjifdhjwwfhldijtwdifhfponbphownknommrhrkojfxkjklplbekwedltcgoefidwgchwiojoenkfnjxitodgohqpxuwhqcusfgumbuhkqifumrqrrxdskevgmktsttqfwnsuwxqujjetdpkpbtqxweuvrupxsrsrtxvkqryirsusgtjplpgipmrftgxutlivpqggxi...

result:

ok 

Test #14:

score: 0
Accepted
time: 14ms
memory: 4436kb

input:

26 500
eeeeeeeeeeleleeeleeleelleelellelleeeleeeeeeeeeeeeeeeeeeeleeeeeeeleeleeeeelelleeelleeeleeeeeeeeeeeeeeeeeeleeeeeeeleeeeeellleeeeeeleleeeeeeleeeleeeeeeeeeeeeeeleeeeleeeeeeeeeeeeeellleleeeeeeeeeeelleleeeeeleleeleleeeeeeeeeeleeleeelelelleeeeeeleeeleeeeeeeeeeelleeeeeeeeeeeleeeeeleeeeleleeeeeeeellee...

output:

ajmmokdgqgnaegiaertejmeeudecexaxegkcxrtppdcrdofkqcijdakieapbbgacxkfxbbbirkaexckchxcrbebmkmamkmffdrafprqghjdkbckgxrwpbkvxehbjgyyikakjgvivihdwrebtatpkrrdrftpjeuboanjkirryadabpybghxxihkvagspvisjpxxuusgwbdhynwdxshjivadawgqyxygnbtgkwhrxnfcrootkcbrxbyugoonsimbhnzrmuvpvvptbuzwqnnxtbstntxooiwmwswhxsvskhntns...

result:

ok 

Test #15:

score: 0
Accepted
time: 14ms
memory: 4412kb

input:

26 500
dddddddddddkddddddddddddddddddddkdddddkddddddddkddddkddddddkddddddddkdddkddddddddddddddddddddddddddddddddddkdddddddddkdkddddddddddddddddddddddddddkdddddddddddkdkkkddddddddddddddddddddkddkddddddddddddddddddddddddddddddddddddddddddddddkdddddddddddddddddkdkdddkddkdddkddddddkdddddddddddddkddddddd...

output:

enecqarucfidncbebhgifbebcemelvfbdrnfcidebbjbbqqdrhiadeebchndhjnuhcubshtnehbeiultjhmejfnjgqeprjmtmtfjjthicttdttcanxghadlsvctemjtaqueenxucefhgjvtjvpqrrqggvqtiyuqiqsduxwimewewtpnihipfppzspgdixnrxpfxffffmrfyujhpjiuxgwalhwgtnrmrggttpjmljusytxuayjsgmulxvuxtdyshamdvsszamdjxriwmqumlhwuspzuamasazgszpsfswsthu...

result:

ok 

Test #16:

score: 0
Accepted
time: 1ms
memory: 3616kb

input:

2 1
s B

output:

z

result:

ok 

Test #17:

score: 0
Accepted
time: 1ms
memory: 3892kb

input:

5 3
idn BBY
mvh BBB
cva BBG
you BBB

output:

zna

result:

ok 

Test #18:

score: 0
Accepted
time: 0ms
memory: 3604kb

input:

3 2
jt BB
bg BB

output:

zz

result:

ok 

Test #19:

score: 0
Accepted
time: 1ms
memory: 3644kb

input:

4 8
jzhqnmbc BBBBBBBY
quubxmwq BBBBYBBB
zkmtxamf BBBYYBBB

output:

yyyyyctx

result:

ok 

Test #20:

score: 0
Accepted
time: 0ms
memory: 3924kb

input:

83 28
yyjekmbfltupxglbgnniupgrbbhh YYYYYYBYBBYYYYBBYYBBBBBYGBYY
gvgwlfkbriylbdfmajjupyijghxk GYYYBYYYYBYBBYBYYYBYYYBGBYYB
jjqnbpooxrfsqntbitwbgrplljzp YBYYYYBBYYYYBBBBBBYBYBBBBGBB
lqdozqobdhvzmtusczvxthcfvymz BYGBBBBYBYYBYBYYBBBYBYBYBYBB
tkhuvtpuhnmzphnqhpfzfsokewoh BYYYYBYBYYGBBBBYBBGBBYBBYYBB
gjer...

output:

gndxhueyqpmeryvhxafwwgkjbjss

result:

ok 

Test #21:

score: 0
Accepted
time: 1ms
memory: 3992kb

input:

13 78
imwrldcrlcooqlzmcczciijjughombdengtcurojkwqyuoqltmduvwebvyysshwjythllxhrwmcepz YYYYYYYYYYYYYYYYYBYBYYYYYYYYYYBYBYYBBYBYGYYYBBYBGBBBYYYBBYYYYYBGBYYBBYYYBBBYYY
pkcwlbnthqplkuohoonvnqbouaakqdpwsyoscpqagkfhfpualsnonjnkkdtudoyvknpjgyhaqoxwak YYYYYYBYYYYYYYYYYYBYBYBBBBBBYYYYYYBYYBYBYBYYYBBBYBBBBYBBB...

output:

owzejzrjrzbeecfgghizhhiifjihtlzkulmzjmxzkmlzoyoetieqpcsdqperqtzjtrtqpswwvczxyy

result:

ok 

Test #22:

score: 0
Accepted
time: 1ms
memory: 3812kb

input:

38 99
veadnsajqcnbynqxawytaccryhlefhbhusmjhplsemwsagxkiryxfwrsarpmhsrpikievjpafqszuqklxetizrtlwxzxyelalsr YYYYYBYYYGYYYYYYGYYYYYYBYYYYYYYYYBYYBGYBYYYBYYYYGBGBYYBBYBYYBBBYYBYYYGYBYYBYYYBBBYYGYBYBYBYBBBBBBBB
njkybjdzyrkufafkessouzzsbkyimahkltsqqpngkgghqodbebxahavilwxmbmkqkucahpokaktlylhnmyjyxwbmrqhepj...

output:

opvelvcfacbmuywvaduunktqwejvzqybpwebcpgegcfpnmnnimyupztcoqgvtjzgaihzejzxxnptlijyacziataqghhtoqwfjdz

result:

ok 

Test #23:

score: 0
Accepted
time: 0ms
memory: 3972kb

input:

4 113
suwodmkfmlkafcxpdgicvnrluhqkmulfirwtawvjxzzufmxruiiezmyebjlpxkzujfxjosfdqlbwfqtyripgsshmclhmtsosukwlgnzqvtbygnlau YYYYYYYYYYYYYYYYYYYYYYYYYYYYYBYYYYYYYYYYYYBBYGYYBYYYBBYGYYGYYYGBYBBBYYBYYYYYGYYYBYYYBBBBYYBBYBYBBYYBYYBBYYYYYYBYB
qpizotexiviavifrwmnhmqgxvxdueohjcyrzsinuuuhpbknejcjupvqhtnlsssylqg...

output:

yyiyyyyyyabyababcccbcdeedededffeffgggghiiiiijmjjkkkkkllellllmmzmnnoonoooppppfpqqqrvrgrssttttvuvvvvvwwwwwuxxxxyyyz

result:

ok 

Test #24:

score: 0
Accepted
time: 0ms
memory: 4156kb

input:

102 377
gocqhgzrtqkevpckmjqhgbhpxtoliiukyxibpizzagbxroteetcwzpgzybsaxrhvudaxrrzjhisrbumzvaaaokwzpekgczhkbjqlgrdijvecheemmcoieoyhsyhooaxzmronnoovfdwelqbhlrqovoiubzbdixkvzujlsadyysnxcmvcxcsayqjyidlignyemacoyyuwjvpkitgsyjuzjyjtgxzamytxssxbocvprlhksvhegfjuldompxslryoubylyxzaospsxecpctamowqxxngbjtvoskmhv...

output:

fzhbpvvtfsjzghjjvoanwlhesznrmaqdkvrmnkxxcuaxtenfaqpctuywoclxzlgiscpcylgmjmtltvcjmmohwaiihbsonoraefpauuszkmewlodhhorizaizitonwailoikleknwtlngirnvxeujutmnszyjltnniospmismtvvtnltapcyfmjwhhabewciomfutgmqufzdvregkfbllubjmwxvqjiaoicgvslnzmcykvxszfjqevigtekrfbmcihthffbubmertrhniybzfxpjdpyejmvnmyvzyribcyhkw...

result:

ok 

Test #25:

score: 0
Accepted
time: 3ms
memory: 4120kb

input:

84 372
esizksnrmnyidougizdjmkksweafwdywugqdkisbdjaxfjghvoiwxhsmntnkyrimjajlspiqfomzyvpxdpispoveqzrcpfyntfxpcllewbdftkcwpjodchqeyfavuainqvggspnirpjpdcdcljmwzfkbrzleubsvxoeyzwzmmkrbiujgtcwpkeqtenikfnwqspnahiqwdxarppclogyrdpmqwuhqrdhgjfvjxifuksfhpkxjbmywimtettgrtgexekpaacpvtgorcljdnodtdudsatgszvvkpxkhh...

output:

priirafhcttvbcwmukqupwazyrzdryqixzkfnnamuzjifxtwhryteowgwdtrygfvyaxpjzvolkimwxfqpqzevqjmhzezhvtzyowazevweuzictoaxwabyiknexmxymtqvfcvysakdlegsotvhbzrrfcimfazueugoqtrdbcqrkxdtqatexonjtkeargeblphfcxscjdcaqzatcdksezpuwgvunnyymffvdfdpwrhfmvpawqoafeujyguhlelzcfuhnmgqrsxxzfeaxpyvtjxthrqevetoixfmdmzjvkwxixn...

result:

ok 

Test #26:

score: 0
Accepted
time: 3ms
memory: 4112kb

input:

120 341
qddkzllppvsamvuytcyvfmcgdsowlmasqwecvmbfkfgbmiluxdghcvyfiyynhobehlxsoslwjoxkkjmmcjjyjhuntirpeszmmsfcdduerkrzasnxsczqzcyunsqaalvjkkdrksdjhgojrkljxzflsdljjlbjrhjhhblrqhgtljjieelickdyszvkcskljuykzcpeuttphlonwanfndlkqcbgkjvocnwugyyxxbaccwpyrmyaapkciubysrjvemksuamhojymppamhhvvockwocvvjdmmssedjuzn...

output:

tnraljmrauiwhqddhuqxevuwjktugbqedadidsxnduvdoawjznplzlwxkgvfwyrcvyvkcliahpquktdvezcoeoxlmjrflyvrvynqmchlgbxnhxxlmdqdnsugabizimrirmzwdyewmjojiaifcbbrkivmfjuynkrwmctmonrblnataybzyyynwojbqozhdbpyxejgrdsknwzulbicasbwdjmwylxjawtrhgawavmilelwmoomtvlohtdsorjlixtcfedwfabomegtndzvhhfyizcnhiacpvicuwrkmiccrwdk...

result:

ok 

Test #27:

score: 0
Accepted
time: 13ms
memory: 4460kb

input:

500 500
uzkbwmwxenfvjjmbfpvgdgkfcrtjgftkcsdhgxlqcqyrtzqggauozihovqxyepxlqsndunqfvrwqhjszvzmttihgcwvyxugzbkxjwfqvvpakmrkohzrutlbfludsfkzmjrzkqsnstnxnlieshrqfqqfgttcsdinuvqzyueqhhtknnbnhstvabfyfpwszpkwvfzjlfnzgnlzzdeqcemnvcrbbxytfhajyvmaxfmczviyqafmkwmmrelmpmzcbwjltbejfuyizjyggmhkgmuhjijtsrfwzmmmkqieh...

output:

xtkupmikoalqczppaqstzuiezbugnmrfezofiejbxedkwmhldzkqactqmmcsuwmjddllfifimjtratgnnerahiklscixwmfrciloflzwalrxbtfglaouusctqbsevtkhaqtcqqothbasjyihutvpkdgaweyploaqfzsuqjotuxviounxiapvtcfovxyeutvfmgvhyzrcilfuxnappehaifxawqghytxvrylxyxuxkzqmoprdphfgaidifgmdfyvzyzvaxlzxfqbithwwglczjhxuoobaxsotlgfhkdauudoi...

result:

ok 

Test #28:

score: 0
Accepted
time: 28ms
memory: 4360kb

input:

2 500
cjvtcyhtzxnkypncxcydztkdxkosxdtlxzaetauygumxwzgkqittrtirkgnjuwanpdokgrbvwwlxxmivnzgnfelcxzmggmfwrtuexpxxyxuniivgwiykbzhnfbhgtoizuumgvoazbkcgzyhtamdsnnuejfwgmgbffdpnaeulrjfiflxrfqmkxkqkfwqcylsieetenjwbgmzewvgownfiylsvjzijpgrdfozciarqzqckecrwevmdtilipcerlcmbvogajnlfiwwcfurfxgtwbavfogarxcovbrwvlo...

output:

zzzzzyzzyzzzzpzzzzzzyzzzzzzzzzzzzyzzzzzzzzzzzyzzzzzzzzzzzzzzzzzzzzzzzaaaaaaaaaaaaaaaaabbbbbbbbbbbbbbbbbbcccccicccccccccccccccddddddgdddddeeeeeeeeffffffffefffffeefpfffgggjggggggggggggggggggghhhhhhhhhhiiiiiiiiiiiihilijjjjijjjjjkkkkkkkzkkjkkkkllllliklllllkllllllmjmmmmmmmmmmmmmmmnnnnnnnnnnnnnnooonoooooo...

result:

ok 

Test #29:

score: 0
Accepted
time: 14ms
memory: 4436kb

input:

10 500
ltzpvgzioqzjaorwvcfawsuxrpiaxelpvjvbzkmhmukkanhddeuwnwfbqeiccwqiqsntudhfrrxrwjmphcocxtzbljjcdjmksdvnoklkzvljhmyxsjgzsmuezdeieobpeojmxphuhbkxuqvtokknihunzjztuhuqurethoyiiamwzqppwuiljeygsrclivocqngmwgqeghfwtwunuyvcxcjjufbxwhmijurlgodhscoalsqbdxnizkkjtmqfaynndanjjfzldqukrpmqnsynrvoncnqymegdgvvga...

output:

azwwaawgozkzbabavbbbbabbxakbkbbccccccwvcbccddrhbcddbddddqdcekuedcdeeeemieeeccafpvrdfzffgggfvgbgffdgeggfxgffgpeggsfhhfhghkohghziiiiiiqiiiishioqhhiinhhijhijjbdjbighjkkkklljllllwklkykmlmmmmlmmqtmmmnkzlmmmlmmmmmlnnjnnmnnnnnnmmbnoooooaoogonnlssbnorlmpovuooyxzpkpgxddppprwpoinpkpopoppanpzplkpbipqqpsoqqqjap...

result:

ok 

Test #30:

score: 0
Accepted
time: 7ms
memory: 4352kb

input:

20 500
gidefqbkbebgnvcgrjfmkuqtipyqlpvrjndoddvuhkntkznjdkfvggaoavkllvbigfvdafoxziprpozvhukhwheyasblhleoxfxwwruvsilcdrttxcbqfnvplqtemgsoftmsnzrgaikbqmyrbykhtpbmrfpgvjiqszkdapksfhbdkmdawcgonddqgzasjtvrjbgkfwxyopyxhprkrsaoxfblohlqyeenggeusnfvgkxalqzhziuckhyhhmefhjpvfjzolfowjvjeklnxgmymaubfcuineyiuzlzpb...

output:

zmeaclzoloanhlbabswmbygcbvbazcoccddabbiudeffztoncwvmufefpeebfyamflrfofeacctmfmcxbigeuqgghvghgwghhujzwhbniggzfueahgghhhqewjhuhehivkggahfkyezwhhtnbligngsvghtakhgiivzcckiggzikijihikaifbsfkfkpkjwinojkjpsakjjhmlwrlhlfrxezklijiljbklwjmmrlisxmkegimmkwlmnkclkkmhbmpmhxmmgjqqmdjkszzeclmljqnnyknnufaoolnjrzoybh...

result:

ok 

Test #31:

score: 0
Accepted
time: 3ms
memory: 4176kb

input:

40 500
hgrkbariyienlarbtwpgttrlmwgdwjisgwtuelybkqyzibmerddzhxpkrikkdglakynfmvzntqkldilwlredsuwiyhvfmdfymethhuqztlwzlsjsoznrcemnwutebgioqndeywylttipnfkjzwrykcsmyeruqzryjuhcyirlakfmzwyjlisxtpdibravckhsunbfdczcfjcdnjcdkhqticcslsqmbldpvatkvnlgcnjzzpsjgoxbdqaqogdiqwngjjyaxcurpfcotfthvlhnyqvkxalealplywzbj...

output:

zdipaunbvfbekwwbcjgjdivgerbzgnfecegqnsufywqrmgvrokvvcaeecgvhjdxypqciggpowmtgkhmfsbyyugqdlzmhupeigfhkdczuukyevtbmowkxhmafjgsyshaxqiiuxjzicqxkkoejcxslkxfuboqwhaxgbesiakqgrobotjikzhpkmgmlmaczeaqvaqmfdomzjmlztjfninugnjciiqfvnlhmmjcdqoibzvwenibnoapdsunnmipvrqojgwbzavwztlrklyjsjyvpxqluxwquflqilbkflrepekyt...

result:

ok 

Test #32:

score: 0
Accepted
time: 1ms
memory: 3716kb

input:

2 10
dkzttcuhkf BYBYBYBBBB

output:

yyyyyyykct

result:

ok 

Test #33:

score: 0
Accepted
time: 0ms
memory: 3936kb

input:

4 10
hzyqaqgudo YBYBYBBYBY
drzekuoozp BBBBBYYBBB
ydmoszopir YBBYBBBBBB

output:

xyxyxoahuy

result:

ok 

Test #34:

score: 0
Accepted
time: 1ms
memory: 3700kb

input:

8 10
xpcbenntvx BBYBBBBYYB
guunnaqbzh YBBBBBYBBB
vkgjtzyejd YBYBYBYBBB
bmlrgczqhc BBBYYYBYBY
gjeqpkftzq YBBYBBYYBB
ytqggdmtoy YYYYBBBBBB
okyanrydin BBYBBYBBBB

output:

cgwcfqtryv

result:

ok 

Test #35:

score: 0
Accepted
time: 1ms
memory: 3892kb

input:

10 10
lvqefvmhvh BBYYYBBBBB
hwzwczqwzo BBYBYBYBBB
ywzwszxeyd BBYBBBBYBB
pxryhjeyhe YBBBBBYBBB
fpplflfrid YYBBBBBBYB
wffgroprrh BYBBBBYBBB
atnazpsxkj BBYBYYBBYB
wjftdvgbca BBYBBBBBYB
lxejbsshfq BBYBBBBBYY

output:

uecfiknpqz

result:

ok 

Test #36:

score: 0
Accepted
time: 1ms
memory: 3740kb

input:

2 20
gvmxjisdtqdzqlcythxc BYBBBBBBYBBBBYBYYYBB

output:

yyyyyyyyyyyyywhtltvy

result:

ok 

Test #37:

score: 0
Accepted
time: 1ms
memory: 3744kb

input:

4 20
juwgnsochomtjjrwkxzx BBYBBYYBYYYYBBYBBYBB
xcfresnspwhbnpufpzut YBYYYYBBBYYYBBBBBBBY
nicdnycdwkcwxkzlexij BYBYBYBBYBBBYBBBYBBB

output:

yyyyvbdefhimorostwxy

result:

ok 

Test #38:

score: 0
Accepted
time: 1ms
memory: 3684kb

input:

8 20
gfbhjraeqpkknoxynzor YBBYYYYYBYBBYYBBBYBB
eoqxnsiomjhzyechxzfk YYBBYYBBYYYYBBBBBBBB
izclftrifyoacpdwwaxi BYBBBBYBBBYYBYYYBYBB
vkmnjqckgcojyuccmzsy YBYYYBBBYBYYBYBBBYYB
kotrkwcofjzhzgwiegsj BYBYBYBBBYYYBYBBYBYY
kuoenzkgqkxjkenvaywp BYYYYYBYBBBYBBBYYBYY
ntfjwmseryvxlgimrynx YBBYYYYYYBYBBYBBBBBB

output:

zvaadegjjhmopnrsuwvv

result:

ok 

Test #39:

score: 0
Accepted
time: 1ms
memory: 3692kb

input:

10 20
fgyncfbwipgvfxmohdbo BBYYYBYYYYBBBBBBYYBB
icbhpbqvluuvwljfzrci YYYYYBYBBYYBYBBBYYBB
cushsnrenivjfzblmwbz YYBYBYYYBYBBBYYBBYBY
iqfqmazradptgidhmewe YYBBBYYYBYYYBBBYBYYB
kebuhncdbrmdpxqmizic YYYYYYYYBYBBYBYBYYBB
vmccbyguslsftfilufvg BBYBYYBYBBBBYBYBYBBB
dvrpdiwvdltezikdbpvv YBYYBYYBBBYYYBYBYBBB
...

output:

ybadzehipknqrtucwuzy

result:

ok 

Test #40:

score: 0
Accepted
time: 31ms
memory: 4340kb

input:

2 500
gxnlcmqfsmxkzleyreubambwtiyuisiplwrjastyivijshzmfuyjqbqwmtiixxwivmqxpbuboruzaaapaxrllfbonnouzwmjuouvzcoyxytfxmhtfcvsbjvnltirhojtxhtdiqasoajfhrcinjrkzstidvhhdwynweaacmuhctyzeelatwnropiqifxsgxntfycvjrhwpmzeytliurapssrixkjndjzwtjonqzmhhtqyqjacafxkwfrnvjyjcswxrkmhstxgrdaxacuqiqtmdwuiuwzjjekzsaycgc...

output:

zzzzzzzzzzzzyzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzyzzzzaaaaaaaaaaaaaaaaaaaaaaaaazzbbbbbbbbabbbbbbbbccccccbcccccccccccdddddddddddddddeeeeeeeeeeeeefffffffffffffffggggggggghhghhhhhhhhhhhhhhhihiiiiiiiiiiiiiiiiijjjjjjjjjjjjjjkjkkkkkkkkkkkkkkkkkkllllllllllllmmmmmmmmmmlmmmmmmmmmmmmmnnnnnnnnnnnnnnnnnooooooooooo...

result:

ok 

Test #41:

score: 0
Accepted
time: 25ms
memory: 4648kb

input:

7 500
kucxpooswpgshqxdswdpxnonzujecioriraskzligwznnduirvonmjmozyxkotblntnzmsgacdjxsrelfbcwhffnqsshpdnuiyvekpkkzhfqadrnhymofwpahuefzyauxunwxjsexozlkauixivyrdrckaxiicawzsvqshnexswpqlnwpfwqxfsqjgefxylqizfouiqmbtkxrjcdpjfhetrphazpatrwkbikmswrsjmuvlmkuhfvzvfpqawtkgtmykusaspvinyqteptvvfgynrehmekerkbpgcbgf...

output:

tttttzztaaaaaaataaaaaaaabbbbbbbbbbtbbbccbccccccccccccbccdddcdddcdccdddddbeeeeededeeeedeeeeeefeedfcffffffffeffeefffggggggggggggggghhhhhghhhghhghhghhhiiiiiiihhiiiiiiiigjjjjiijjjjijjjjjjkikkkkkkkkkkkikkklkjllllllllllllllklllkkmmmmmkmmmlmlmmklmmmmmmmmmnnmnnmnlmnnnnmonooooooonoonnooooopppppppopppoppppqqq...

result:

ok 

Test #42:

score: 0
Accepted
time: 24ms
memory: 4684kb

input:

8 500
zsuejmayajrezxaeoppddvtufobaqqrnadgiydzodggiskvrvfyassjbdhbufhmxctpfdqvhykrkqjjltksstdnskjfspencdneizkxxtfdheyhvmnsjdbrjusilipmplxvnfxthruxwdukolyqivyaufoewysvppuqdcdmvwdwgtaqejnfmgtylhgrfcjqagvotoosbisnibzntaetxvemftcocguvgindrppzlooryrqicloefmktmimfqyxlletbymenpljkjybhyfuahardknwfejcojkxyzsl...

output:

yuxuuuuuuuuayauaaaaaaaaaazauabbaubbbbubbbbcccbcacbcbcccccccccbbcacaccbdcddducdddddddeeeedecedceeeedeeeeeeecedfffffffeffffffffgggfgggeegggfggfgggggfggeggghhghhhhhiiiihiiiggihiiiiiihjjhjjjhjjijjiikkkikkkkkjikkkkkkkkjklkklkllljlllllllklkmmmmlkmmlnlmmnnnnnmnnmmnmnnnmnnnnoooooooonoooooopponpppppoppppopmp...

result:

ok 

Test #43:

score: 0
Accepted
time: 27ms
memory: 4864kb

input:

10 500
fwpisiecngmypltgnpgwungiorybsqujrjynxduhbxkzzcpmprjkmcngffwriwlauogonaytiewzmvhmfkbqzbhvbuzaxgmrzwhznemrkgkqcfcxznjgqfxvivnzxkttungprndxzumatgitszsuhxrbxiyblepjljdwccbmodtyikdewbqekqnyrdpveilrjuidvbxmidaudrahboegnxxojlllcijvhewxbqhckkdisyyoieqnybydwpyiupduxdxdcbsiflmqomhorvpximunuvgeqrpojynfz...

output:

aaaaazxxaaaaxaxxzzzzzabbbbxzcbcccccccccccbcccbcccccccbbacddddedeeedddeeeedeeeeceeffefffefffdefeffffffdffedggggggfggfeggggfggggfhhhhhhfhhhiiijjhjjjiiijjjigjjjjiijiiijiijjkhkkjkjkjkkjikkijkkjkjkllhlkllkkllllklllllklklllkkjlllllmmklmmlmmmmmnnmnmnmmmnnnmmnnnmmnnnmnnnmoooomoolnoonoooppnpnooonppopppppppop...

result:

ok 

Test #44:

score: 0
Accepted
time: 14ms
memory: 4720kb

input:

50 500
rzxpevxmcsvfyfmnmokxtsjtkisntufznueipsounknjbdgoieqoeobnfuncfrokfgdsdujxvtluensnrnyosfsywmltfikmpgofyyutxgxltspvwnqnfvgeolxirwbvvwgwwbxbwbbswrefaklrdmdlzgxpltvbucwfgrpggpobkapydjkzbgfarvqfzssyeepxzesalnpbnuastjecnatiljloelrojistoqxxrwdiehnwbubijlcsgserxmlbbchlhqlndtvmbaztvhspfxdyfuodupczzusgi...

output:

yuwdyfbdrdudmwdefxcaleebdctdstreedyfcaxcefwzdxfexacedkfiqcwqbfwckketfzfghgdhghfzheziygiiexzdhkjfjtejijghdemjikghgcgeeyekkjuajekfkdiktikimjjimmmjmcbmckimmhmkcjhmkhmdimjmcfakgkilglnnnylkkahlnfiddjocnnkerollrnlnnhgllohqgrohpoqclrqkqplpooonnpjppdrriiqpsrioghssopqrstkgrppptsrpaiqtteospmramtqamsorotjptmqt...

result:

ok 

Test #45:

score: 0
Accepted
time: 13ms
memory: 4444kb

input:

160 500
hayqlkswaloyrwgikgdxyqsorgjgsohxuyrlfdgptnogrfzfrcmkhyvnpohpgtjhhlalckgubhvbbtinzpykjfayxwqctbmbjdtguonvdihewfxphkfngblmtlxiidbpxnxeiswxfrvbflvisrvxkqqeqzinhgobjfbxhbtfageuinrzyqzhrsqttlmfxgqsdaxkyiajiitwnxnlqggrncbzwrzhtctcunpkhdlqkqtkyfvcuwqftujpufwgeqkrzdfngmshdiwhobeieunukpjgvbdwhjtkaccm...

output:

mjpyvrzpguatqaxutfeenauznkxsfgqfrfdaoydwqimxssimpofnqfailvbgkmearxhgxjvtluftknckiwaeyuedbogewrnlfyzatjgtgrpvjnehxhvwkcydnkwnvxgbifqobxxchmltkwyqpgaanlyunugwtxmayycilokxdtzhcwgpmleawmsvacdywnpnpevqwpkyssvakkmpmslqmgucrzrqoufaausspnahpwkcvrfxhbwcccsbnntbfpstmaesxspfwtseyluftmrkcmifuofjnnhmwfrbveoudsgx...

result:

ok 

Test #46:

score: 0
Accepted
time: 1ms
memory: 3680kb

input:

3 2
qf GB
fq BG

output:

qq

result:

ok 

Test #47:

score: 0
Accepted
time: 1ms
memory: 3984kb

input:

2 25
mzopyxgqdtsjvueklciwbrhna BBBBBBBBBBBBBBBBBBBBBBBBB

output:

fffffffffffffffffffffffff

result:

ok 

Test #48:

score: 0
Accepted
time: 1ms
memory: 3776kb

input:

2 25
jagfzkndilpxwsbrqytcvuhem BBBBBBBBBBBBBBBBBBBBBBBBB

output:

ooooooooooooooooooooooooo

result:

ok 

Test #49:

score: 0
Accepted
time: 1ms
memory: 3928kb

input:

500 25
ugckltahyoirfewnmspbzxqjd BBBBBBBBBBBBBBBBBBBBBBBBB
culezaoqmdwbxgrptynhkfsij BBBBBBBBBBBBBBBBBBBBBBBBB
nisywzjurlckehdfxqotpbmag BBBBBBBBBBBBBBBBBBBBBBBBB
dwsijpgknaorcmeufythlbzqx BBBBBBBBBBBBBBBBBBBBBBBBB
nkbhtrfjygioxlpewqacudmsz BBBBBBBBBBBBBBBBBBBBBBBBB
bitglumeakqsrdwfyxcojzhpn BBBBBBB...

output:

vvvvvvvvvvvvvvvvvvvvvvvvv

result:

ok 

Test #50:

score: 0
Accepted
time: 0ms
memory: 3704kb

input:

2 20
ynjmhdwofqxsaubvlktc BBBBBBBBBBBBBBBBBBBB

output:

zzzzzzzzzzzzzzzzzzzz

result:

ok 

Test #51:

score: 0
Accepted
time: 1ms
memory: 3892kb

input:

10 20
wmcthpfyuosdarbnkjql BBBBBBBBBBBBBBBBBBBB
rpktmndxwybuaojvgfse BBBBBBBBBBBBBBBBBBBB
rainqcsldwtgmjbyvoxf BBBBBBBBBBBBBBBBBBBB
ercgnpkbmsaoulifdqhx BBBBBBBBBBBBBBBBBBBB
uehkilromqatgnwsdypf BBBBBBBBBBBBBBBBBBBB
gelbjwyqcstoxnudvkif BBBBBBBBBBBBBBBBBBBB
cixsjvnolhykpfqdatru BBBBBBBBBBBBBBBBBBBB
...

output:

zzzzzzzzzzzzzzzzzzzz

result:

ok 

Test #52:

score: 0
Accepted
time: 0ms
memory: 3692kb

input:

20 7
dmluxoc BBBBBBB
psocfxg BBBBBBB
iglnjde BBBBBBB
zgevtio BBBBBBB
ujzbglx BBBBBBB
snzcdyw BBBBBBB
urvtdyg BBBBBBB
fqrnvwx BBBBBBB
usrpvhe BBBBBBB
ptdqbsc BBBBBBB
tuvfrip BBBBBBB
wmfqncg BBBBBBB
zhufsvm BBBBBBB
jiwngao BBBBBBB
peoajsu BBBBBBB
htcbrdx BBBBBBB
lymcpai BBBBBBB
hzsfwgr BBBBBBB
yqzeaud...

output:

kkkkkkk

result:

ok 

Test #53:

score: 0
Accepted
time: 1ms
memory: 3684kb

input:

3 3
abc GBY
daf BYB

output:

acz

result:

ok 

Test #54:

score: 0
Accepted
time: 0ms
memory: 3828kb

input:

3 3
abc GBY
daf YYB

output:

acd

result:

ok 

Test #55:

score: 0
Accepted
time: 0ms
memory: 3692kb

input:

4 4
bcda YYYY
cdab YYYY
dabc YYYY

output:

abcd

result:

ok 

Test #56:

score: 0
Accepted
time: 0ms
memory: 3684kb

input:

2 4
aabb YBBB

output:

zzza

result:

ok 

Test #57:

score: 0
Accepted
time: 1ms
memory: 3696kb

input:

2 14
welcometonwerc GGGGGGGGGGGGGG

output:

welcometonwerc

result:

ok 

Test #58:

score: 0
Accepted
time: 1ms
memory: 3896kb

input:

2 10
aaaaaaaaab YBBBBBBBBY

output:

zzzzzzzzba

result:

ok 

Test #59:

score: 0
Accepted
time: 1ms
memory: 3976kb

input:

10 40
nvolvefindingafeasibleflowthroughaflowne YBGYBYYGYBYBBYBYYYYYBBBBYYYYYGYBBBBGYBBB
tworkthatobtainsthemaximumpossibleflowra YYGYBYYYYYYBYYYYBBYYBYYYYYYYBBYBYYYGYBYB
tethemaximumflowproblemcanbeseenasaspeci YYYYYYYYYYYYYYYYYYYYYBYBYYBBYBBYBBBBYBBG
alcaseofmorecomplexnetworkflowproblemssu YYBYBYY...

output:

inoztimizzalibtheomomaonmrrfpotpuwxleysi

result:

ok 

Test #60:

score: 0
Accepted
time: 1ms
memory: 3904kb

input:

20 20
maximumflowproblemsi BYBYBBGBBYBYYYBBGBBY
nvolvefindingafeasib YBGBBYBGYBYBBYBBBBYB
leflowthroughaflowne BYBBYBYYYYBBBYBBYBYB
tworkthatobtainsthem YBGYBYYYYYBBBYYBBBYY
aximumpossibleflowra YBYYBBYYBBYBBYBBYBGB
tethemaximumflowprob YYYYBYYBYBBBBBYBYYYB
lemcanbeseenasaspeci BYYBYYBBBBBYBBBBYBBY
...

output:

inoztomipationtheyrz

result:

ok 

Test #61:

score: 0
Accepted
time: 1ms
memory: 3636kb

input:

2 10
mympqinaqs YYYYYYYYYY

output:

amimnpqqsy

result:

ok 

Test #62:

score: 0
Accepted
time: 1ms
memory: 3724kb

input:

5 10
yoqojkyfrq YYYYYYYYYY
yoqyroqfkj YYYYYYYYYY
oqyykoqrjf YYYYYYYYYY
rqkjyqooyf YYYYYYYYYY

output:

fjokqyryqo

result:

ok 

Test #63:

score: 0
Accepted
time: 0ms
memory: 3704kb

input:

8 10
ogrpxwryvc YYYYYYYYYY
cwyprvorxg YYYYYYYYYY
cvrwxrgyop YYYYYYYYYY
corwprgvyx YYYYYYYYYY
pwvcgroxry YYYYYYYYYY
cvpgrwrxyo YYYYYYYYYY
xgyrpowvrc YYYYYYYYYY

output:

rrgyvxcopw

result:

ok 

Test #64:

score: 0
Accepted
time: 1ms
memory: 3684kb

input:

2 20
lfyzddchsnrcfbfhpxkh YYYYYYYYYYYYYYYYYYYY

output:

bcddcfffhhhklnprxsyz

result:

ok 

Test #65:

score: 0
Accepted
time: 1ms
memory: 3632kb

input:

5 20
bhczdehumywygnhaeeka YYYYYYYYYYYYYYYYYYYY
ezgwuhykcbaehyhednam YYYYYYYYYYYYYYYYYYYY
kdzyancbeuyhhmghaeew YYYYYYYYYYYYYYYYYYYY
emhkzewgdhbhnyauacey YYYYYYYYYYYYYYYYYYYY

output:

aabcedehhehgmkunwyyz

result:

ok 

Test #66:

score: 0
Accepted
time: 1ms
memory: 3736kb

input:

20 20
kczuooznpwpyhwvericy YYYYYYYYYYYYYYYYYYYY
ewkyynocucivzrzpwpho YYYYYYYYYYYYYYYYYYYY
ozpihwckecpuvyrnwzoy YYYYYYYYYYYYYYYYYYYY
kczihoyecnzwwpuopvry YYYYYYYYYYYYYYYYYYYY
rwehopuyockzywzicpvn YYYYYYYYYYYYYYYYYYYY
cupzeoonrvwwzkihycpy YYYYYYYYYYYYYYYYYYYY
cvpkhocnuwizzewyryop YYYYYYYYYYYYYYYYYYYY
...

output:

zovcihkpyynrucpwzoew

result:

ok 

Test #67:

score: 0
Accepted
time: 1ms
memory: 3744kb

input:

50 20
mrvjqpnuyqwylbbsgkdy YYYYYYYYYYYYYYYYYYYY
mrbykbqusqwypdvlygjn YYYYYYYYYYYYYYYYYYYY
nbyyplqvjgsrmdwqukby YYYYYYYYYYYYYYYYYYYY
kqyvrbqbslmdygupwnjy YYYYYYYYYYYYYYYYYYYY
qjywupyvbsdrbqlgnmky YYYYYYYYYYYYYYYYYYYY
sqgnkyjumwdbvplqyybr YYYYYYYYYYYYYYYYYYYY
dsybujyyqgqnlbvkpmrw YYYYYYYYYYYYYYYYYYYY
...

output:

uydgyvbmlkysqwpjrbnq

result:

ok 

Test #68:

score: 0
Accepted
time: 6ms
memory: 4016kb

input:

2 200
kjgxibzaqovyhfahtzepmneqlrtyqskqjclybnijqdnnaqjwqpcdyhqcivkhiamwnnnrekynlwdhhtwoluuxuivncktinkkmgnavexykunaefwtdtccjdvnjrsshktuiqmugothxrrkrxfbzhzawqdvcnjwfbemdjwmsozfyialxnxbqhndzyhoskwmuamcdsrzxttte YYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYY...

output:

aaaaaaazabbbbbccccccccdddddddddeeeeeeefffffgghhhhhhhhghihiiihiiiijjjjjjjjkkkkkkkkkkklllllmmmmmmnnmnnnnnnnmnnnnnnnooooopqqqqqqqqqprrrrrrrqqsssssstttttttttttuuuuuuuvvvvvvwwwwwwwwwxxxxxxxxyyyyyyyzzyzzzza

result:

ok 

Test #69:

score: 0
Accepted
time: 6ms
memory: 4060kb

input:

5 200
sfcjckdgmwmnnlqezqgivfbrgkwmqronyyojlpqwajmjmgjhtlnsjcmsysflrpmrluakngchrsuncwwbqmlpavprqyvhwplrtqhxpzgtxixarzjsvrfquqemtgfryynowgowzyiyxxjarzfaevasxohhqwsleahueveixdjlybnsxnsbtufoiihtstlhczsczzazjwou YYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYY...

output:

aaaaaaaababbbcccccccddeeeeeeffffffggggggfghhhhhghhhhiiijjijijjjjjjjikkllkllllllmmlmmmlmmmmnnnnnnnnoonooooppqqqqppqqpqoqprrrqrrrrrrrsssssssrsqsstttsttttsuuuuvvvvuuwwwwwwwwvwvwxxxxxxyyyyxzzzyyzzxyyyzzzz

result:

ok 

Test #70:

score: 0
Accepted
time: 5ms
memory: 4084kb

input:

20 200
krxqaxppwikekhvmjispucbtwyennwxkqsvjhwpvcvtqgemfpnvsjoppwvqbyslciwosyqjircnsrpmicagujcstajnwuztjpyjxrwbjpelhukuwynyfjhfoxerfvnotzxgqrrckgsjbtnfmhjtpqcteosfpfjgesbwrxvrtdxhrnrdzlnlnivfwrsxkpvsqkwuyfqgh YYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYY...

output:

cbabccbbacacceezeefecfefjfcjjefjjjjfddjgfjgjhjgjjhhkfikkgkiikhnnginhifnhknkihngplplpnppmmmppplpplnrnmnrrssksrprrosoroqnpsrqsqstrqqstqottqttsrsorptwrutwswwwquuvvuvuvqtvvwwxsxwvvwxuvyyyyyxwxxxyxwvxzyzbw

result:

ok 

Test #71:

score: 0
Accepted
time: 31ms
memory: 4400kb

input:

2 500
blgymzrpzujbijgjxyuadmopdmktpzaovnuecztkbzxgzyvisyljaevyfufxyhyqiqdueuswizdfbebeofpeixebkcoylfbfnbckcmafvwcppobihsmxnvhrsacfeozhlqloqithcbvguyslmdqksinnirkziaicjfrpxhceqgxsbiowjixmoflvtvuquoidzfpusisagkefodwcsvqdwvnfhfygrrobkelcsxdaoddqtmvgxkhnouoqizqwvvudriluplgazarubzbsomyqcaycjjwmyqsmabeisi...

output:

aaaaaaaaaaaaaaaaaaazbbbbbbbbbbbbbbbbbbbbacccccccccccccccccccddddddcdddddddcdddddddddeedeeeeeeeeeeeeeeeeeeefffffffffffffffffggggggggggggggggfgggghhhhhhhhhhhihihiiiiiiiiiiiiiihiiihiiiiiiiiiiiijjjjjjjjjjjjjjjjjjjjjkkkkkkkkkkkkkllklllllllllllllmmmmmmmmmmmmmmmmmmmnnnnnnnnnoooonooooooooooooooooooooppppppp...

result:

ok 

Test #72:

score: 0
Accepted
time: 31ms
memory: 4632kb

input:

3 500
fndjpiklrigzxvhtgavgqxjhgclbcusixstqcvopskxdxeaksfcfrlkzdsqjddqnijuqqmxzafjbljcqivkozdwwyjzysrkkpxrymnuavmcjemoiaayfnldynfkjgzzlcywayfwtlcaicnawiagrmlhwrjcdvxrbxavfjqwkejfaahukajyupcyulvnbpqewqooacxbryistjptowptrpiclmkgdpnchtrgijujimyloxgxpxqqhhnidbeiasewjkydmpkecplkxlsyzbsyheqeigyyyujupwdjqzg...

output:

aaaaaaaaaaaaaaaaazzaabbbbbbaabbbbbbabcccccccccccccbcccddbdddccdddddddddddddddeeeeeeeeeeeeeeeefffeffffffffffffggggggggggfggggfggggggghhhhhhhhhhhhhiiiiiihiiiiiiiiiiijijjjjijjjjjjjiijjjjijjjjjjjkkkkkkkkkkkkkikkkkllklllklllllllllllllllllkkmmmmmmmmmmmmmmnnnnnnnmnnnnnnnnnnnnooooooooooopppopppoppoppppppppp...

result:

ok 

Test #73:

score: 0
Accepted
time: 27ms
memory: 4648kb

input:

10 500
bupnuqzdcpbbxnmovthxvephnapgnxykdqpefrnsxlalrhtxogfxlpfrcxjmocibrokuejfvalrapnhvzuabrhjfdcnnnaygwtkgoenbewrtlzzdhxmzndkphodrcjbcyivsaxbugccvkqzbygufcpqljzopxafwzyxceegfdqtqqufvtptbllewhlraeotvtdiwnjnbkedfhsfpvrydnerajvkwidyhptbvtstjbwqucskqlecziliyqqrxvahlbahjzlxebblyfmjkxpuyitksjtqsxkmzatzur...

output:

aazaaayazazzazayaaybxbbbzbbbbaabbbzbbabazbbcbcccccbccbcbbcccdddcdcddcbdddbcddddddddcacedeeeeceeeeededacedeffefffeeffffcfffffffffefegggggfgeggggfghhehgghhhghhhhhhhhhhfhghghhgiiiiiiijjjjiijjkjjkkkjkkkjkjikjjkijjkjjkkkkkllllljlllklllllllkllkliilllljlmmnmlnnnnnnnnnmnmnnnmnnonoooooonomonppopopppppppopoqq...

result:

ok 

Test #74:

score: 0
Accepted
time: 18ms
memory: 4700kb

input:

80 500
dvbyutdpoihytugjpvxnzcreuwneaqokypvmieezkevfpngozhxowvwbavznhmbjosgnvskifmpbaflkoxivossyqaoxkvvioupzyygerlqpntmxkctrcodkogiqrvnhkczcdhbnvihopmchnnyayletjmvsflwdmozsgrwkqdijrjzrodqqadsnsmzulhumosmwmohoibrcqswjaohlzmjpjnwifwqunludixjhhupgettgefwzcvygiycdtrenhbydhaopdrzogaadrqwiqiogounuhozeifmox...

output:

tfeoqwugeqvfvahhbdsqvioyrxgqdfuezzctrhcywwwcgqcimoiymhqzqghseixvidiercmbelzpgmcgtfhoidgjvdxmppdnwzocmshtboajgkqoinqfdknxkvnonixcnvjjigkpikmkcskoxvmofjyrbuovkwjiycxotibmghlvhqoqjgvvoqjmojyjznxoujlvoidaftoqzysppnrivngfwwlgxemqeboajzxsqdwsflgqkkymquvagrruhplsyrcmzqafkmjdriozigjfvvrpamcrxnoppqlbhekehoyb...

result:

ok 

Test #75:

score: 0
Accepted
time: 24ms
memory: 4676kb

input:

500 500
dvbyutdpoihytugjpvxnzcreuwneaqokypvmieezkevfpngozhxowvwbavznhmbjosgnvskifmpbaflkoxivossyqaoxkvvioupzyygerlqpntmxkctrcodkogiqrvnhkczcdhbnvihopmchnnyayletjmvsflwdmozsgrwkqdijrjzrodqqadsnsmzulhumosmwmohoibrcqswjaohlzmjpjnwifwqunludixjhhupgettgefwzcvygiycdtrenhbydhaopdrzogaadrqwiqiogounuhozeifmo...

output:

tfeoqwjveqvevahzjdtqvooypagqdzsezqctrhbywwbsshcinoiymhqzqdbswiwvidiekcmselzpgmagtlhoidgjrdxmppnnfzonmshploaigdwoihvfduzxkvnoniucnvrxigpsikgkcskolvxofjyrblomkwiiyuxotibmghhwhqoxzgvvoqjmojjbzcxoejhvwidfvtoqxyepphrivngrwfggxdmqcwoaxcnsqdgsfheqbdymqutagrmuyclewsvkzqrfhmjdriozizefvvrpamrrxcofpqevwykehoyb...

result:

ok 

Test #76:

score: 0
Accepted
time: 1ms
memory: 3700kb

input:

2 20
xztanpyxqtcnpuzqqyoq BBBGBBBBBBGBBBBBBBBB

output:

wwwawwwwwwcwwwwwwwww

result:

ok 

Test #77:

score: 0
Accepted
time: 1ms
memory: 3652kb

input:

10 20
opwtpwvtwxouoyqsotzp BBBBBBBBBBBBBBBBBBBB
gzynqjtxzqtzdwupyqxw GBBBBGBBBBBBGBBBBBBB
nqrqzyuqqtqoquynuxwo BBBBBBBBBBBBBBBBBBBB
rovrxornrwtoymtnnrpu BBBBBBBBBBBBBGBBBBBB
wdxtnppzptvzzuzlvqrr BGBBBBBBBBBBBBBGBBBB
uusqpvwtntwxxxdryuqn BBBBBBBBBBBBBBGBBBBB
nxxnnpzsztyndvxlrron BBBBBBBBBBBBGBBGBBBB
...

output:

gdmmmjmmmmmmdmdlmmmm

result:

ok 

Test #78:

score: 0
Accepted
time: 1ms
memory: 3732kb

input:

15 20
woourpqrstqycprorzzw BBBBBBBBBBBBGBBBBBBB
ypswlxvouotyzsqrpxpo BBBBGBBBBBBBBBBBBBBB
rvporyxupxswysrrzqvd BBBBBBBBBBBBBBBBBBBG
trrqqnpspvprxzzwvszp BBBBBBBBBBBBBBBBBBBB
vyoynttqpvwonpxopsor BBBBBBBBBBBBBBBBBBBB
tyuyqntwonprcnngorwp BBBBBBBBBBBBGBBGBBBB
xyptttooymynxuvspuqz BBBBBBBBBGBBBBBBBBBB
...

output:

dmafljmmmmmmcmmgmmmd

result:

ok 

Test #79:

score: 0
Accepted
time: 1ms
memory: 3624kb

input:

20 20
syzuzqoytozsurzpsono BBBBBBBBBBBBBBBBBBBB
wesrqwxttsyosvbtsqqq BGBBBBBBBBBBBBGBBBBB
osrvrpppwpqynwotpffv BBBBBBBBBBBBBBBBBGGB
vwvrywzppxslxsunfuxy BBBBBBBBBBBGBBBBGBBB
nwurxytqswvputotrvsz BBBBBBBBBBBBBBBBBBBB
przuyqqnkwuztupqptfm BBBBBBBBGBBBBBBBBBGG
lrqpyysqxnwvjovffosm GBBBBBBBBBBBGBBGGBBG
...

output:

lemmdbhhkmmljmbffffm

result:

ok 

Test #80:

score: 0
Accepted
time: 22ms
memory: 4552kb

input:

2 500
zxwpopwryvxwuszirrorrqtsnwrwuoonyqsruqtpvwtxmnzxtsrivsnttuxvzjsywsqspssqqvusyqoppwwzzzrwsxwowyznnnttxvgtrptuavzxotqqsuovspzzvxrvqqqvnpqnypeqqwyospooqnuzxtxypyutvoernuctyqzvqsdwpvuunrsypvzvuqqsvqqoxuuznqvvxusynpnuqwzrnosxqslunwvxooyzzsqrvzupyprkvqntnwwowxnsrtnsvszzsxsqysnnsrnwwwqzvyxowoinppbqxy...

output:

mmmmmmmmmmmmmmmimmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmimmmmmmmmmjmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmgmmmmmammmmmmmmmmmmmmmmmmmmmmmmmmmmmemmmmmmmmmmmmmmmmmmmmmmmemmmcmmmmmmmdmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmlmmmmmmmmmmmmmmmmmmmmkmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmimmmbmmmmmmmmm...

result:

ok 

Test #81:

score: 0
Accepted
time: 3ms
memory: 4172kb

input:

10 500
epjvurrwqwslokprtxxnoqpvozzqynewutfwopypqopcxvswnlwavyotqvzfovuvznzuttpztqtvnnysqzrpszbrtwxwvlzqzofwtwrprruwoqzruxunyszooyvzpfwoqrsurpzeozxwuznvvuyorztufnvvuuwxpzpxtusyzwpvwqvmxytssnqsupxxyoxrpqttwwwnkqyyzppuyxqodqsywlrunuxsorzorpqurwrvxqyqynxvoqtsyrvxzvnxzszpunupyqnopxrtprozwtvxzxwrnnnrspvwo...

output:

emjfmkmmmdmlmkmmcmmmfgebgmmmmmelmafmlmkmmefcmmmmalmammmmmmmfamgmjmmgkmmmmmmmmmfmhmgcdkbmmimmjlkmmjfmecmmmejmlemacmicgfmmmmihdfmkmbfmfkbemmmkmlmmmmkmmmkmfchmemmkmgddmjmmmmmmmkmmmmmlmfmgmmmmlmmdmmmmmmmckmfhkbdebmmfdfmlmlmfekgmemmmgmmmlmmmmmjmmmlmmimmmgbmmbdmmmmmfmfmmhmmmmmjkalmjmgdbmmkmcemmdaaammmmmmm...

result:

ok 

Test #82:

score: 0
Accepted
time: 4ms
memory: 4152kb

input:

15 500
zryswnworvevunwutuxmnzpbspdpqctwosopnwswrwvyyvptypvzqwzzcontrtooysryxxgvrquvnnfnvqetnourqrxbwywtoqwvtvzqhppsnyptroqtsoxwzrqryylrzntnssvtrqxrsnzpxvzxpqrusplhrftenrtsxvpvnpxuokwtzruqtzsryqnywowwurnyoztuwqtrpptysuqvrprpfovwepypwstvipnzgxgwrndvwonuwqwtxotpvxyywzzozwzwtnzozvtsoytxsnqywvarnpnooorps...

output:

fbjmimgemdemmfmadbmmgigbhddbmcmmmmkmalmjmmmmmmbeilmhmdamcmeljdijammmmmgmhafmmbfmmbecmkimmmmbmmffjmmamemmhlmembamgkgmhmahmcmbgmlaciiimmiifcaggimmjfhmmkjfgelhmfmegbjmmmfmmddmikmmimmhmmmmmfggembhfegehmmlmfmmabmmcmddjgecfjccelkmmmmmimmmgmgikmdklmmcejcjmamcmmmjmmfmdmmgmmkmicemglhmmejbbmaeamedmmgccmfmaamj...

result:

ok 

Test #83:

score: 0
Accepted
time: 4ms
memory: 4148kb

input:

20 500
xzqwxnzjotrpypunovrukuwwzxynowyxywvvpnvtnozoqyaxpdorsvpyvvqpsoxrsxwrsnatxosrvuynpylrxvywwqmzqzppuvuytyqurgpwxynoqyrqxpuzytunxrnrrtowrpzuvyorvquopsuqquyrvvnzoupvqrvrdqnoszvxtqnvrxtpotxttuoozppwwysytonzyryntwntustoxqzvvpnsxrvswpxntrwnxtrczqqxtdwksqostroutslsrvyyxsqyywqpwwwuvqwulrspywrnbwnxqswxz...

output:

jcmmcekjmdmhjdcmjcadkmmmmgkmflkkmghllfmkdmmcimamjdmilgcmmjmemgjmfmkmimabmmemcbbjcmlglmmcmamdkhggjhlbmmfcggkeliijfmhammmlmgkcmdamimdmamfmfmlkmmddhakmhclhmikimmbmmdccdmmcjiemmejmlgbeabmmjhfjmcjaemkmlkdimliecmimmfdlmdfgemcmgfacffdhcmhmmmacmhdemdhkbkcghbhcmellhhbkilmmmmmdmimmmjgmlkhmbgmmbimhmmaamlmdllbi...

result:

ok 

Test #84:

score: 0
Accepted
time: 3ms
memory: 4036kb

input:

100 500
xyretptvzrvrxtppxwtoqznyquonurrunoyxxxusttovzmhvuwtquvrvqdovpivrswrwxvstvstrqtywtwtktsqnfsspvrxorvtnovwtpprxncrprsuvsqruqznvsbtsnpszznujxzziwcwsrtfspsnuowypvvtqtpxwlnnxnpsirzspqplsrpqvxzxrrwpywnonrtmzqyrprzwvxuwvntsunuznowququzzntwqvonpvtxpntzqznswrzqwzrsjntzypsnfypvvounhxuqoysxoprwqyuovoxov...

output:

flkebccliaedgbhbadhlkhglfhfkaefkmdgjdhkdkfkdmmhekdellmiemdkacikbafmfgjgglihhjcbkgbfkhegcfmgbgjfgkmhgjbmhdjmfmckmfkmibjbcgkgmhbadafehijdjmbaidceiabfjmlfimfehgccgadfmlcdbkkfiebmdjflkfmcfijlidedkcgededmilldmidaaajchaidikekhdahflcjakgmghjfdfdcdeimkijcamdaahjgjkeagaklfilcjecjhglkcejbefafiffcmklifdbfllhba...

result:

ok 

Test #85:

score: 0
Accepted
time: 12ms
memory: 3972kb

input:

500 500
uynxusnuyztownaqulnzvqzstswqszvpsprsvytsvquwqntnusnxnnvhzhwazupswyyyrpvkpqqpqurtzyixswqxxswprtcqzrtxpxoutrsvtyqsxoyzuuttwtzwqiporzwpnurtpuvywzdyvqozlprvxqmyutqrswnvuzazoqzzwqsonxptownoywrqsrzhowotpupprzuttkvouxrxzzuosspwiwsghyxzourxwtsyorrqwwowxstcylzvpnwzrsqrspszyzptptquzwspyuoroossxqxrnrso...

output:

ccgfmibddhcmefadjlcmijidheabcmdikmcdfadhdieadkaiklfbhefhbhdaecjbcjdjglkkgklegfmlcmilhlaeckefelcahklhgggcddlfbilefbkebdcflfdkciffbgbdkcbhkjmjamdjmkbmlfbciemlhhfagifijjahhbhceijmbclimfbajmekcmchfellkalblelcgkhdigbagjdledjcifmghjagdjlkhcbhbjfcgcffjlfcelaejfbjdekdeckjlgkjdbabfgghkdkmfjibcikhbkmedjkfhelj...

result:

ok 

Test #86:

score: 0
Accepted
time: 1ms
memory: 3944kb

input:

26 26
abcdefghijklmnopqrstuvwxyz YYYYYYYYYYYYYYYYYYYYYYYYYY
bcdefghijklmnopqrstuvwxyza YYYYYYYYYYYYYYYYYYYYYYYYYY
cdefghijklmnopqrstuvwxyzab YYYYYYYYYYYYYYYYYYYYYYYYYY
defghijklmnopqrstuvwxyzabc YYYYYYYYYYYYYYYYYYYYYYYYYY
efghijklmnopqrstuvwxyzabcd YYYYYYYYYYYYYYYYYYYYYYYYYY
fghijklmnopqrstuvwxyzabc...

output:

zabcdefghijklmnopqrstuvwxy

result:

ok 

Test #87:

score: 0
Accepted
time: 1ms
memory: 3612kb

input:

14 6
aaabbb BBBBBB
cccddd BBBYBB
eeefff GYBBBB
ggghhh BBBBBB
iiijjj BBBBBB
kkklll YBBBBG
mmmnnn BBBBBB
oooppp BBBBBB
qqqrrr BBBBBB
sssttt BBBBBB
uuuvvv BBBBBB
wwwxxx BBBYBB
yyyzzz BBBBBB

output:

edxekl

result:

ok 

Test #88:

score: 0
Accepted
time: 1ms
memory: 3708kb

input:

14 20
aaaaaaaaaabbbbbbbbbb YBBBBBBBBBBBBBBBBBBB
ccccccccccdddddddddd BBBBBBBBBBYBBBBBBBBB
eeeeeeeeeeffffffffff BBBBBBBBBBYBBBBBBBBB
gggggggggghhhhhhhhhh BBBBBBBBBBBBBBBBBBBB
iiiiiiiiiijjjjjjjjjj YBBBBBBBBBYBBBBBBBBB
kkkkkkkkkkllllllllll BBGBBBBBBBBBBBBBBBBB
mmmmmmmmmmnnnnnnnnnn BBBBBBBBBGBBBBBBBBBB
...

output:

dfkjwptsvmzaziqtrrwy

result:

ok 

Test #89:

score: 0
Accepted
time: 1ms
memory: 3832kb

input:

14 100
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaabbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb YYBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBYBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB
ccccccccccccccccccccccccccccccccccccccccccccccccccddddddddddddddddddddddddddddddddddddddddd...

output:

qbdsdffefeehhokohwjnynnossumogpsiprttttiowvmvzzzwwapaedgxhjdizikklxftdkkfttxxzmmrmtlmorovtnlsuufluwy

result:

ok 

Test #90:

score: 0
Accepted
time: 0ms
memory: 3656kb

input:

5 20
fxyezqqsaxwjkmwdbcmz YBBYYYBBBGGBBYBYBYYB
cccccccccxwcczqmmdfe YBBBBBBBBGGBBYYYGYYY
dddddddddxwddezqmfcm BBBBBBGBBGGBBYYYGYYY
eeezeedeexweefeemmqc BBBGBBGGBGGBBYBBGYYY

output:

vvvzvvdevxwvvcmfmvvq

result:

ok 

Test #91:

score: 0
Accepted
time: 1ms
memory: 3936kb

input:

8 20
xtebkrvpbhlsbbdwfxnl YYBYYYBYBBBYBBYYBBYG
aaaaaaaaawrxtsnpbdkl BBBBBBBBBYYYYYYYYYYG
cccccccccxwrptsnkbdl BBBBBBBBBYYYYYYYYGYG
ddddddddddnwxrkstbpl YBBGBBBBBBYYYYYGYGYG
gggdgggggnpkwxrsdbtl BBBGBBBBBYYYYYGGYGYG
iiidiiiiiptdkwrsnbxl BBBGBBBBBYYYYYGGYGYG
jjjdjjjjjtxndkrspbwl YBGGBBBBBYYGGYGGYGYG

output:

zzjdzzztwzkndprsxbjl

result:

ok 

Test #92:

score: 0
Accepted
time: 1ms
memory: 3716kb

input:

10 20
rijdojmjmlqsnybaekud YYYBBBYGBYYYBBBBYBBB
cccccccjccccrsimleqj BBBBBBBGBBBBYYYYYYYY
eeeeeeejeeeeeirsjqml YBBBBBBGBBBBBGYYYYYY
fffffffjfffflisjqmre BBBBBGBGBBBBYGYYYYYY
gggggfgjggggqilrsjem YGBBBGBGBBBBYGYYYGYY
hghhhfhjhhhmsigerjlq GGBBBGBGGBBGYGYGYGYY
hgiiifijhilmiiqegjsr GGBBBGBGGBYGBGYGYGYY
...

output:

hgllrfqjhstmtizezjgz

result:

ok 

Test #93:

score: 0
Accepted
time: 1ms
memory: 3652kb

input:

12 20
fabeuuqijeeiqvmlxikx YYBBYBYYYBBBBBBBBBYB
akaaaaaaaaaaaaaqjufi BYBBBBBBGBBBBBBYYGYY
ccccccccaccccckfiujq YBBBBBBBGBBBBBYYYGYY
ddddddddaddddkfjquic YYBBBBBBGBBBBYYGYGYG
kfffffffaffffiqjdudc YBBBBBBBGBGBGYGGYGGG
ggggggggaifgfdqjkudc BBBBBBBBGYGBGGGGYGGG
hhhhhhihahfkfdqjhudc BBBBBBYBGBGYGGGGBGGG
...

output:

zpinrojpakfpfdqjzudc

result:

ok 

Test #94:

score: 0
Accepted
time: 16ms
memory: 4704kb

input:

5 500
qnplnayaqcthgzrscaeffrjqhrnssuhmegcoitgfoztimbhediaxqwrcxvfabdgcszrewoenuesjalgbkfgetfnsucfxnrlvmnxwihsgnhadsgubjaglsxsjmyvofzsxpmintxsvyialuxxelmbirqhofndroyvkfxdntxdmvhboqypmxpewwevxfymbnvrxcsoutvmshadbjdgxswjdcviwlcjemdjnkeyudrhdqwhiqbtosjqfgseyerovvnhilpgodnfnpmznmypkbwyfzjsvobstnynyvdtedh...

output:

zzzzzzzyqzzizyzzzyzzzzzzzzzzzezzzzzzyzzzzyzyazaazyyzzzzzzzzyzxxaxyyayyxaaaaaxawvbbbbbbbybbbyxbcsmvccsccccccczccccvcddddddyxoddddddxddeeeeeeeeeedeeexeeeeeeesxeeeveveefffxfffffffffffgggguggggggguhhhhhhhhhhhiigiiiiirihiiriiidiqjjjtjjjjjjjjqkkkkkqktktkkjjkmmmmmmmmmnmrpjmmjmmmmkjllnnnnnllllklldnnnnnnnkll...

result:

ok 

Test #95:

score: 0
Accepted
time: 11ms
memory: 4364kb

input:

10 500
jncrnalnwtivhccjacwevrondacihuksbxcfzraslpdykexafbpxtxwdywjdxoxftifjlhsputwfznboqhgahcuxppyxiqfhuzunswiddtfjohaghympeqadrxijhfoouqpacfgkjnsturviadtwybnryakwkdmtmqqhmkmxziauaacvqebrhiuxnxzpnykmzidwrepmwqclynwfammeafyanrizsihsutuaeyxxpqwhisxznckmggtbmjpqwbcxgxvrdtbujqebrhoqekispgdiyqpiwodkixesj...

output:

yzzzzbzzzzzzlcgjakzyezyaozaaaeasklaagbzabpppbpazppzpaaqqjqtpaqppaapapceycpccpcccyccscbuccpcsdddddbddvddycdeereeweziedeeeeffuyeofffffveffffffuussgsgggtgggoggugxgmwgwughuhhahhhwhhhtipbsiwbtoiibbbruvbbibtuswixijjbpjbjbpjiwfknnswknnnqtjjjkkkknwllnnllmoloioklrokmooooqnjnnoolkqiljkkglmllmlljkjcmgonlmmnocm...

result:

ok 

Test #96:

score: 0
Accepted
time: 0ms
memory: 3964kb

input:

22 500
gektomdzdkkeqsukkkjxppgwmeqldbovakxqbvdgarmqqowxvljdsmantqgcjppfcrcfhibtbhaxgaacxavpjzrkttzvvuyvrvainfgzytcowfzmjgsqbfhmqpnnksxfzddpjvunkphzpghkqtjvrtwaokjovhftfxyvzjyarskrjaiotntdyjakoqcfjkjzysvrqkrcenbykrwsacfylkhrwxxbfdmpaoegezxppsertmxynyffrodszzojlbqittjsglekbkytierwmbposhebqjzpvkxgxihrs...

output:

muurpxuvtkmgyroafqnjxndxahpfovfrzyflqsvgvkoeaxecogjnwgyefruvpyofgbntrgtnpbpgnfmblyutewednvjmynjvearhynguvftdvykfqbgbzapjmhwdfsgmnkdriduqerzymrntorcyehculwisspoqcsxchxhrazaouceizbrjfpstrjuusavepgqkdqpevpduezjnwcividjvkvdrdkcpkxwyqqlvhnqdflglhkdriazlpzfghsrcxvfoohjoweqtpqvawreroflfzclzdcwzvqpsyhcatchy...

result:

ok 

Test #97:

score: 0
Accepted
time: 3ms
memory: 4284kb

input:

80 500
rqbdmywktaijlbpcjblkmjvsztskxgpxgsqxfotxhbypeeeweorhksgtfrkstrhriwiyznnzyfclnmkqkabjqdrkoltoglioupjvfynemwvlqawrasffdukcamirncrdwkqwlxexnobtswlhtitcmemwpwnvlwgqrcloxcsjwnmqbefvytpdfwefpqgrggsztmybvotcwlzihwqtsrnxsoacsnambbidvohgjgqtbxnqoyjxwjwykbosssdipjmjveqsbxryvtuqwkyjsyeipwvzsrecugzregtay...

output:

hvlhtoafdfakdmwzdfeqzimhmphiqrsoucefcybyauxmdsqnygjaksbstemayxxydepymhzcpfvjotbumsjbyuoxssggqfhxcgovglnoduoktsntkadzehbqkidequkadtyncjrsrnulnwaaeethuqmziovrxmkwmkmbarmyblprtrsrtwiiyojxubpuzlniasjdxtefsfgjchoygezzamvdnlauxmgtjrwqmxrimwupyajkrunqvomzqdyqzvfioyqpbidvgjdngcjlqyrresceukckcaajlthlfmlxlopk...

result:

ok 

Test #98:

score: 0
Accepted
time: 1ms
memory: 3708kb

input:

12 10
azzzzzzzzz YBBBBBBBBB
zazzzzzzzz BGBBBBBBBB
zzazzzzzzz BBYBBBBBBB
zzzazzzzzz BBBYBBBBBB
zzzzazzzzz BBBBGBBBBB
zzzzzazzzz BBBBBGBBBB
zzzzzzazzz BBBBBBGBBB
zzzzzzzazz BBBBBBBYBB
zzzzzzzzaz BBBBBBBBYB
zzzzzzzzza BBBBBBBBBG
glbiyqtwdf BBBBBYBBBB

output:

xaxxaaaxqa

result:

ok 

Test #99:

score: 0
Accepted
time: 1ms
memory: 3904kb

input:

20 10
azzzzzzzzz GBBBBBBBBB
zazzzzzzzz BYBBBBBBBB
zzazzzzzzz BBYBBBBBBB
zzzazzzzzz BBBYBBBBBB
zzzzazzzzz BBBBGBBBBB
zzzzzazzzz BBBBBGBBBB
zzzzzzazzz BBBBBBYBBB
zzzzzzzazz BBBBBBBGBB
zzzzzzzzaz BBBBBBBBGB
zzzzzzzzza BBBBBBBBBG
igffrcksxv BYBBYBBBBB
fysityljns BBBBBBBBYB
nrobvvqnqu YYBBBBBBBY
scbzrhsj...

output:

aunraagaaa

result:

ok 

Test #100:

score: 0
Accepted
time: 1ms
memory: 3640kb

input:

29 20
azzzzzzzzzzzzzzzzzzz GBBBBBBBBBBBBBBBBBBB
zazzzzzzzzzzzzzzzzzz BGBBBBBBBBBBBBBBBBBB
zzazzzzzzzzzzzzzzzzz BBYBBBBBBBBBBBBBBBBB
zzzazzzzzzzzzzzzzzzz BBBGBBBBBBBBBBBBBBBB
zzzzazzzzzzzzzzzzzzz BBBBYBBBBBBBBBBBBBBB
zzzzzazzzzzzzzzzzzzz BBBBBYBBBBBBBBBBBBBB
zzzzzzazzzzzzzzzzzzz BBBBBBYBBBBBBBBBBBBB
...

output:

aayagnnakswaaaxoayag

result:

ok 

Test #101:

score: 0
Accepted
time: 3ms
memory: 3904kb

input:

315 300
azzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz...

output:

aaaaaxabcaacacewagabataaarcaaadfaaddacegcxwavaaadadaafaaasogabqadxaafegpsaagaapahheaiiaaahqawpaijaaaljaaajpakapqaaklaaalhawaaaaagakmdumaamamaammaqaanjaanaaanaaaanaalaaaajnnamqapakaelpnparqaaaaaaaraaraaoaaaprprrraaaasadaaraoouaaayuaasaaagqrusqamwaaajaplaaaskaagavuaauntfaavvaavadaapvkyyvxywaoaagnxafxb

result:

ok 

Test #102:

score: 0
Accepted
time: 1ms
memory: 3616kb

input:

25 25
zabcdefghijklmnopqrstuvwx BYYYYYYYYYYYYYYYYYYYYYYYY
zzabcdefghijklmnopqrstuvw BBYYYYYYYYYYYYYYYYYYYYYYY
zzzabcdefghijklmnopqrstuv BBBYYYYYYYYYYYYYYYYYYYYYY
zzzzabcdefghijklmnopqrstu BBBBYYYYYYYYYYYYYYYYYYYYY
zzzzzabcdefghijklmnopqrst BBBBBYYYYYYYYYYYYYYYYYYYY
zzzzzzabcdefghijklmnopqrs BBBBBBYY...

output:

abcdefghijklmnopqrstuvwxy

result:

ok 

Test #103:

score: 0
Accepted
time: 1ms
memory: 3692kb

input:

7 50
tuqaulrnzyyywybpuoehdugdptglplvlppkhhxxppdrkhxdxgd YYBYYYBYGYYBYBBYYYYYYBBYYYBBYBYBYYYYYYGYBBBYYBBBBB
bkunohhytsznqcntvetgbzflhcujlzhxtvublqxznscjshvzve BYYYYYYYYYYYBYYYYYYBBYBYYBYBBBBYYBGBBBGBYYBBYGBBBB
zpqthwonsjjxcxxuwdgpsglsmpbepexhyvodtbrgpwktudklnz YYBYYYYYYBBYYYBYBYBYGBYYYYBYYBBYYYYYYBBB...

output:

aaazcddhzhehiklmmnpnspkpnnpiopspotutstxtuvxyuhmwty

result:

ok 

Test #104:

score: 0
Accepted
time: 7ms
memory: 4308kb

input:

20 500
uabfdcdgyqmxgsgauxvngxyebdglyakjsndkpgbzmtpxubzwzdrypaikyjxzwztpawxmbkjdhywlrrwdwmyjuzpkfvzeitcoovjzzjtfalpetwkahtczbujpaymnaketzdwjdpldpchnxbzajnrafcpsowhmszkllmotxhrtbsyujplndjudidelwuxvoxwngolxctirjebsqncludnyzneyxboxjakvyleabonpsmowvzoaovyttvhnpbesttbyfgvctharxoozjffdfzlzjtbnmiqspqhwthrcf...

output:

byayuhafnwwyewlnaxznxmbfxbacccbsafbmbcnbnyudmzbbbvaeotbhfzxaetcdeubrzjbqgzbreedcfddnczedsdsapeadmqwaxlszafkficdafdddfdcgavcmigtlughgeitnyitgigighisgdkfbigegmiziyihnjzgfjfjtvgiajiyhhctjhjagofihfkhnpijjhkrigwjvhmkinqylijgukulzwpmkfmiklkvdklmipncnmnxmpnvatvlllnwcrhbmqnnjrunzayqoonskonazuwmonkononkqaqol...

result:

ok 

Test #105:

score: 0
Accepted
time: 14ms
memory: 4536kb

input:

50 500
mlflhmhmlvhbaykqextwbeswdlqmlhhzmofeicwyhuvyqjqwuumnpmirtgrboepaosruvhipeadhtwuxtqlfshfbaakarzfzenjinaijsidcoqytyytevycrdrwammzsvysailfremryrtlonlpohxhhonhnmqdnuuynwbilcotucdxbphurpzvjjkaujunppehudtrkggggweudqbmvoqtoxvyzspjzajlxpsmynskdzxrwtujidbsbjpbwlizsejugkzavkznxakoshvaxjceniggefvuqdtwbj...

output:

zdbzavzvbwaycbcftydyydbhexyfeaccghcrsegwbfbdezhcexfjgfdyhfxhzcfbjgbfbdhcjguxkkfazgejjcjgfcjhxukfjahdsgdableflzdjkjhlgjdikigcfkikgdllsfjlalkbligehchdlyjgghkkhlaehllikmkmkedkeekmkqkefkmkwnijnjglnqnkimmnmbnfvzneiikeggjkhimqimzqqmikfmhnfhmhoelqkbqqnoqkpugqqhopfkglnuuqimppduhoqimqoqpmaqkfmnqiiuqiqnmrruot...

result:

ok 

Test #106:

score: 0
Accepted
time: 7ms
memory: 4368kb

input:

20 500
ayuwtllhqnfdehzldgmmouamniqnnprwlbmoppiokmpxscydolhqqgywjsqlnrsyttoloaoikjvzrxskmwowxtjssclswpoxfefjqqtzxkcxgxtywwdrmkcoyemldljtjvkcirjhcivgcdfijpasmesqpceeoixqaazxtwyggdxtxtksunhwzqvkrttrjwnjxbakjsxdonknqsanteluehvzaytivsfrgpqxoalwbywfuxdyasbshpskglzhdkrsnsxiwypylzmjdtlddtqwvrnomjwhjrerozduc...

output:

eeubaabbbrbyifamyfobalebezlbicxccjaebzhfonzmbmukdbhcjasdeppqdsbcbxbldcabrvgafhsfzwviybcbdeehprfldfeyeffffwemdfefeegldgggfdwkgifvgghaugjgfgjrjeplisieuiktghgaittyniismqqhizyifhlhtjagqjxjgyjihzjchejjhjajtgxjjgbtdjlcivzkklakgollkkehledwblklikqmqvbwqpqarvkiqdmmhyqqkwmmzmqklvqndnknyvhqkqthonfppycurqrplusn...

result:

ok 

Test #107:

score: 0
Accepted
time: 14ms
memory: 4644kb

input:

10 500
hlowainqwhleemhxgeexvauvsmdxrakudyhvuxjhqreepyfkndruyzuwrfnhaevzdkpfnknymitnqjuvudbwcylkjcmwlwfhavsjmpadfoylhtwuaukxdgwxeqgbwciafzierqihjaxqsbxjbhyiamjwgoupnzlkwoxgfrsclagaevkwfiylpvfboozmplswttjigghixkrlfrpaluroddagokgyayvixdjynfvfawkhenogfymqrvprzqlsnxhzmvyvcvtfftaflzvvxhtuifjoktfpdnvrercle...

output:

yaanuaaaalaaanxakazavnacnmyaanbbdbhdoaapbvsbamzbzambcwvwchwbccwcbzkbtccabbcccdugccddneddemsmeeekqdeeheeeecddlebeeeeeeddfofaekflejfqrffwggfvagbgognfgggfvfcfbngggggadhphhrohhqhhgehkiiimgiiminiiiggihjijjifjwzijijtiijkkzwhlkskkrfkslallllllllkmmlmkdmmmmmkmltmknnnbmnlmnndnmnmmnnunnmkmnnzmnlcoofpoeplhpkppc...

result:

ok 

Test #108:

score: 0
Accepted
time: 4ms
memory: 4548kb

input:

20 500
iwwobprhmoyngxrwogeznqjfucciihleorxsgxcxjxlsqhoaakvkwnbhfrazxbrtqwoothwtdoprguinirothdiawdjqddwmbnkkbinwjeuwqydrugiccywxayagrkbnsjaoriyrpynldjiglrhikiipcynkxfobdyoxzqmsvthlplvbebkfepbfpttdgspybmjcyidxaxaodjkilaysrrowetbxkcrwgphhmyeplxvnpsxsinbnmfxoulwuyfcnfypmzuvtqxctqnrlgvbrvjxjzvjxvbfoowmsn...

output:

aaquaaatybytucotbgbachjavcwxcybbreurcvubebbxdpdbknzdzdvcvdxkldatdtbhupukfgayhdokqcdchmytzeuecdeduyeedccjcdfemebyuqdbijfpckfxofufiffgghscpmlzffjfgenhceehhgkbmpdchohicnpvuhgmwzeihjwjtjljfpjkrfihicsctgrjqhujpaggtjksexjhlgxgivmjiikhduiskxjurikkegclslklljlkmdmwmliavxlmkzlukqmlrvplrhhhmmllmjjhfwponqtmmofl...

result:

ok 

Test #109:

score: 0
Accepted
time: 4ms
memory: 4280kb

input:

40 500
lennpvhaesjwznotiemclquvfbhxnphpnyhrrijylkxrrstrgmlekwahzzspctybovapkvlepgdspzvxvtclrmtelffwvumcoituylxnqxubwcenuvxvsgxvxuzavuyiimznvigzmrkqoavtwfcybxznhxyfrbxaefvfimfpwuesbqrpwxrunxctvgvapwllecsfrsosbmludeljvximxbsmqsgnzhwisflkihogdbqixxxkwprooumwovxwuxwwpfzsudgtanewxdfxiyegukigcxmjhgojmqnjv...

output:

dhhrjfxtsblovcqrblrbcmjatktgaexxcbqwmpbjueowpzgrpaaytxynxyrvjbcjposelvdnrdijcfizumeqsvxxjsyqxkodmoqysniuswaixfbhypbqeafoivbekmnmddkdfpthnjpoapangpspdtvyfzaxxwpnggdbioqhetdkftopovkuhajfnhjuwcenowqfikikldkakkdlvjdptkjdmhwxhhgegxyihyqmmehnezjurjxlutplefqpbgfhwxmarskgrwljvgvdhgjjgzqibzwlwbhvhkthrqwtnteq...

result:

ok 

Test #110:

score: 0
Accepted
time: 24ms
memory: 4776kb

input:

7 500
nhjurmfptwpsgukjwqqhganfrtbsavaviwabjwanivosdqwewclocqgeawyuyetiaxqocqksukadafixlzcqjkjkfuvwbnzflkcqdixhbbfhnaxeyfjfvcpucfjvplgcrjlqjlozveqmgkbpierghfibktmipvabndpkokrvgvhgikrhqgcnkkwzcldzhamtnsusuxhqsqyrfgvsiegjbnmbtlzlvyiatojxleldtnbfrnxaqaavqdtwsasyxeeqbjfbjuakywcptyayfjgghqxunfdlqlgvazgafv...

output:

aakakaaaaazzzaaaazabbzabbbabbababbzabbbbbccccbccbbccbccccdcdbddddddddcdddddccddeeeeeeeeeedeeeefeefffffffeddefffffefddfgggggfggffgfgfgggggggffgeghghhghhhghhhhghhhhhghiiiiiiihiiiijjjjjjjjjjjjjikkkkkkkkkkkkkkkkkkkkilllllkljllllllllkljlllmmmmmmnnmmnnnnnnnnnnnmnnnmmmnnnnnooooonomnoooooooonompoppppppmpppp...

result:

ok 

Test #111:

score: 0
Accepted
time: 18ms
memory: 4496kb

input:

50 500
fjvtcvkdhphwksdhxuvuhnienmtontugyffzpbliffkcrjbcizldydjqftrqatumvwjjcoshkhciwxkcpwevqafbwttxwkujdigaimazfudmyvcqesaastwfggmcjsmtcearbrzqynmdkgxgzizlaxhbkohbbotkachpjqkmmsvmkogiqhixbngwksteeiaauktuqciihftqwrdwvqcmyqgpwjtipsnoqnsagzjomnqjtzvsylpdqdpapfxdoodbxvxyqmrvkuillaszpnkcahbvakbktrfuqsats...

output:

bdfcyfbufaxcugbavygdbvadfccgcgjdwdgegfxdecggjzdfcgcqeieybfjmbfgjkiicejhehgznbhdfkiihkezdxykykfifkjdjcfjgexejxhucckcuhihyeekekciidfhceyabjiklletlefjdylmkfmlqlklizmlimbnnynjnlpnhggmfxpmnjlnlplmeplmnfjfjlikemmmkillgnoqnptplqmpnnhqnpdlnkopqkjnqqglononpqmqpnkkopnnoofdohodkdqpdjgqpnqqgrrnopollrttorbpcrttt...

result:

ok 

Test #112:

score: 0
Accepted
time: 23ms
memory: 4600kb

input:

10 500
hdvfzntztjftzhwhklupivisrzogiwdrvuzwabuysraiqrygyefzzyyqgoqyzstcpariuppstyipwyujymubwtkcmfudnbjvmlmpgzpcvrmttcrmzfhqjfezhilsgunngmtfgnrclefuqlhwryparsnyzjchxgfkbjavwicenzieajerrkkzjqnghwsocvkjosrmnmbjhsrrqocvdhdsbwqyswlqmdmnkavexchlvhrehczyzoawbqrpxfrznuebwokclufvnxdgmyglcjnbtqwvikptktkbiczvu...

output:

aaaaaaalzlaaaallaazaaalaaallcccacbccccccbbzcabcbbbblcbccbcccccdbddcdbddddddddddcddceeeedeededdeffefffffffffffffffefgggggggegeffgfggeehhfggghhhgghhhhghghhghiihiiihiiihiiiihihhhigjjjijjkkjkkkkjkkgjikjjkkkkkjkjkkjkkkkijkikjlllljllkllljllklllljlmmmmmlmmlmmmnnllnnnnnnnmnmmnnnnnnmooooooonooonoooompopppppp...

result:

ok 

Test #113:

score: 0
Accepted
time: 18ms
memory: 4720kb

input:

50 500
indtujtskbwgmxdvkibvrirswzrvcpiyuyyntxadwsxjixpvgxlliyghubywoqxiloiiebktsgjjfubluyqavdckcutsvuiimgpupytjwcpnoirjqumjbzbkcwlogbmybogrdjhckdepplvunflsveokgbraqorfaozqhjnqwbiigzycaaopcwqvbxxzddipozyzkaynmtxssdoxkljivtotbsrbejeagduwyddmdcxermruoiqxnvddybpxhwhigealmtnzbnfwmvnrfaqptoeazypbqnmhhsmbk...

output:

dxadgvqdygcbyvxunxgagcacgxcdyecgsgidvyreixzgbigidzfdbbyetifddnwgpgzfzfigwfdgxixfauaebixdveghhdfehhzhtibbxxfiheiefvjbenimmjmfhjpjededikjngbdkkhknejgenvjfkmnymjwoidnfnllobnmnkjbookfjkihmmnnnhnjllkbhfmnoljlojjnoppimojppjkfrrnmrllormlkhmompprganjrrongmzmllpoqmqlrpphlpoomncltkelkostqtshnqslsbqkpcqspcrtuc...

result:

ok 

Test #114:

score: 0
Accepted
time: 3ms
memory: 4328kb

input:

20 500
slcocdoeuswpovhxnefsxdchgfnwlduobfdajvwtydpyssopemfjmxxhybwyccommiyistixveoywghtfxdmdturqyumojdxdsxbhqmscboezlfgmrlwccygpbltparhkieqratosgogmxykbihmrryxqgqfygytxttksfhknglfbhejqjzitxzsbzirrtzffaigozubkirbzbnnmihyybpqsravofyatvxuykzjnkkygmtfexebdhhcitnenvitiiegtlwedrupvhbgwsdpprkjdhubvmkvxyusu...

output:

yduapwzzaafzxaabiczbcgcddhzbveeyscybabbcdczlgeezdcdwdccdbdxyldierpycertchjddcepeepobmeedffgfffukadqhuhghhkhczuhfyhhhhfifibibcjiljrjbbhtajhycfhjjrjfngdzjjisjkhkkkxbebikftvklkklykrazkiegxjjixopkuillomllltkllimmjrmdmnqegmmokblmlmpqgwqkkylgknnunnhkmnsnjmaonxesisoofpluboytopaopjmoopsormupjnuvjsrgbnpgubfn...

result:

ok 

Test #115:

score: 0
Accepted
time: 26ms
memory: 4604kb

input:

10 500
roqwtjzrjuwkjwdsrncguryxigdlozkssldrhkipfguyoldfyrosbquckzszvbfjkbhtvatcgdbnkrgszdlwlgnqvlyyrztbdpnvtvqyedmoevnpvoycipvhgglyxhsojpyjjquksdkqlwsglcisppapjlrvowqpzxgzfurbiuwjorofabhyvolrcdarwpshlkvigmnwucgffluinlyqblzuqbziqthcrqgtkyxphdsmbdezmiydqrumajjwofoqsgkghsjjarlkjgqrfigsadcyjdvhxigntkfwt...

output:

aaaaaaaozaoababbabababbbbbabzbbabbbzbzccacbbccccccbccccdddbdddddeeeeeedeceaeeedeeecefffffeffefffffeffffffggfgfgggfgghhhghhhhhghhhhfhhgghhhhhgghhhhhggghiiiiiiiiijjijjjijjjjijjjjjjjjkkkkkkjkkkjjkjkkjllllllkljkllkljlklmmmlmimmmnnmmnnnnmnnnnllmnmnnnlnnoooonnnnoooomnoooooooppppompoppnppoppopoponpopppoppo...

result:

ok 

Test #116:

score: 0
Accepted
time: 3ms
memory: 4088kb

input:

84 372
cghxpccqxmpjhtjdglpdovwbzyqusjaaaczvnuxwducxekfdxytfvidgytsrnsqttxtrbkxlfpiioewbjuhchzmaifgmgozzszkpzehdtrbuakovkrqcsufpylbvidlaysqeaphobqoswwlgvfqlcwmxalphjpjghaphienececljwcyzgwerjpblvsjpyglbhcrncsyutwoyiuswxfwisljgbkffxgcrtlbhcsikvelbqjpaztaasiszygtchgirkazcpgfcfxplcefbpgofwjacaubweqfkmrbf...

output:

hqyecyaaesovzbstegaxbvmsopqajgogzvkmedykxzfulzfmpdzunbukhzvipcuxejqnjgnjyxtmxgnrmoemicwazqxvxrxpvadnbdkyhodesgotytdhgonnifetqoeaivzprxzmicgazvmxcxxdefbxiwtwsdigpjojdlnmixfikifxldzbilkffuetlhqqsextndlxfnahwbszpudqyrfgnhzdftjxuienlthsjvbgqucbftynpnlzpfxmhvtifavfdchtcfwefmepysaaljuyqjuxiwzoskitkgbiyfon...

result:

ok 

Test #117:

score: 0
Accepted
time: 3ms
memory: 4276kb

input:

40 500
bngwwqulygjlplyrkicksgvqqycoamxfcoydohxhytmdmskpyjwuhziugselpxqspsbzoecnmtcgkyrbphotgkvlalmmgzpnenyzurybwxlpllgnrvxgykkqqmqmmbansntkcgmbuovmzpzfinlzwofqungisfrttnxsoqulqmwdyurgvuuppkbgczyyegxmrdufnowmahnflulqmtkhpjjrmawolznbmzfcesnawzxiqhaekaphgdhxfpczmdjmogxtezqhvnxyoaoaapgctcprzcegjajvmplbf...

output:

aeiiregkyfdxaejcrspxhhafdhimenwrfsbetxjucxetjrxwjhvanjlyffldydsklaqfdfbfnbkruehhpdttelmkxpemlpdnkbtaiwpztihdfztfewkzqfvcvcwkkstckjdzdoehfgikinlritocfgnkkjgpbbdyqexguoudhbqujcxdlqtedbdhlcxbqydfrtjbdzvydnhkntjjgaycvbdquhsbfmfiogoecpivhokddnibcfnxleqrqtlxemrzwqneekjenqmukjnsossfjlrtrcricmvlpohtgifpxwbw...

result:

ok 

Test #118:

score: 0
Accepted
time: 14ms
memory: 4332kb

input:

10 500
golmkejjbmsldxyvlvmbmgoaivglyqadcjhtedubrsjwtdkliqsltksdijsfeyvuttgvbcoqcmhcdjwnbatcprrrpmmnnqgamphfsbsesxqhwpnuxhcxqxeawyptrprmloahypvaivqyzugftstanjrxbbudyrvbkrvmhfqjatvypaevjlgxchmlgxtymnndzwosslntpihighkkspkuspqhxduqoiqlirubexhhpifeiogxqggfdvavhequdgjskvycqehyqgdcmgsuxbksdhhvlpqhhuumviqhu...

output:

maiaaabiambjymazbbbambbbovbyhbbcbcvclzcccacbdcddddscccdbdvdbxddddideeeemdeeeejdbeffhdfffeicffffgmgaefgghageqgfgfeggggghozgfvfjhhdhhghdhghhpiihhijjyjiqijjjjjjijwijgikjkkjkaujnkkijkfkhijlolcljkwllfvldjwlillkxmmlemmilmmmmbmfljmirmeeczmmtmnknnnlnknusilnnpknnfmnnnmknhfnmxnnooxounjonooooooppzpgppptppocppp...

result:

ok 

Test #119:

score: 0
Accepted
time: 0ms
memory: 3640kb

input:

38 20
azzzzzzzzzzzzzzzzzzz YBBBBBBBBBBBBBBBBBBB
zazzzzzzzzzzzzzzzzzz BYBBBBBBBBBBBBBBBBBB
zzazzzzzzzzzzzzzzzzz BBGBBBBBBBBBBBBBBBBB
zzzazzzzzzzzzzzzzzzz BBBGBBBBBBBBBBBBBBBB
zzzzazzzzzzzzzzzzzzz BBBBGBBBBBBBBBBBBBBB
zzzzzazzzzzzzzzzzzzz BBBBBGBBBBBBBBBBBBBB
zzzzzzazzzzzzzzzzzzz BBBBBBYBBBBBBBBBBBBB
...

output:

nraaaaikaaakaakkalan

result:

ok 

Test #120:

score: 0
Accepted
time: 1ms
memory: 3572kb

input:

38 20
azzzzzzzzzzzzzzzzzzz YBBBBBBBBBBBBBBBBBBB
zazzzzzzzzzzzzzzzzzz BYBBBBBBBBBBBBBBBBBB
zzazzzzzzzzzzzzzzzzz BBGBBBBBBBBBBBBBBBBB
zzzazzzzzzzzzzzzzzzz BBBGBBBBBBBBBBBBBBBB
zzzzazzzzzzzzzzzzzzz BBBBGBBBBBBBBBBBBBBB
zzzzzazzzzzzzzzzzzzz BBBBBGBBBBBBBBBBBBBB
zzzzzzazzzzzzzzzzzzz BBBBBBYBBBBBBBBBBBBB
...

output:

wqaaaamaaaqspdaaagqa

result:

ok 

Test #121:

score: 0
Accepted
time: 1ms
memory: 3816kb

input:

38 99
lemacjdnpybypkogwdtvhlhmlvzbhkbjaztriqyynvsftexmhjzzxyjthuaeozdpdxpjhtaqtqnddedkjlltttkklenffpfgpjl YYYYYYYYYYYYYYYYYYYYYYYYBYYYBYYYBYYYYYYBYYYYYYYYBGYYYBYBBYBYYYBBBYBYBBBYBGBBBYBYYBBBBBYBBYBBBBBYBYB
ffoiuvnagcedozbnvdgcwehekesyjmonuaviekpeeetvihyvwtnvwucerddzlzdiiltbqtyfyfquaifdjdyadkytyookgn...

output:

jxdzvsbszlpjjcgmcqicxemjupvxeruwrqggrkxwhieeztfujjtokrhznoxuzyrxamgnqbuecqzmyzczdqjkkvoeqjeblgmisty

result:

ok 

Test #122:

score: 0
Accepted
time: 6ms
memory: 4292kb

input:

10 500
avcyabyfbhldqyquiroxejrovopyxbgfslzbrmbbbhvxiozmwggujoagvafzguvgzztetufaehlozosicgjrhqnboxoqzxnwlinkwjtfcmstnhsxpbusuvudgepfwkpuenqjvmpuljzrewqmcldwmglpqfcezkmfueprdnceqlkeobrubhwmugcvkjvimcvqtdhgtcqxzldhntduytagztfheqmlkrvkfllddoemookesremmaxxavxeescpkijpneujkxokegzvfjtpvtwfiosefakjcziiczgco...

output:

yaeaxytasqaayzazaaaadazyabbbbbbbabkzbbccccvccncrcktccvcbqcfccccdmddddiddddxcdssiddcadmfdddgllfefjyfxeffeeeffeeekzggcolbfgggedgggfgghjhhjhhjaphhbxphhgehhghhhfcmhhhziiicihidgcighiijjiijijgijjijexvjijjvgjkwjkkkklpwkkkkkgklhlkllljvdnllklflxkwmsdmnmmmmmlnymmpnnlnnnnnvmbnnonntocqonpppfoqqppzqiqwpqqqqopzoq...

result:

ok 

Test #123:

score: 0
Accepted
time: 7ms
memory: 4284kb

input:

20 500
rhqrqfrgwyrzxmjqbfwzxjvlvykkreypsulclulaqxnwwnbongeepchnwgrojedulbplkkwfbxrxbkwtuztgxcfucyirctbhqmfyiicasmzpgtyqucsahojdjewbbxkaoupnzejlvgognwxxjgvtrnctdbblbhovfeellhuglseearomgbdtlnjmhnefntguonarkwoylusekasgztbqelwycvioxwgrmjxnvcxkdbrzfkldjzotbnzuvhyxyesfvaucxynavbkyaisfryutwqeginaehujgakoyp...

output:

abhauaabizaiabsgabvbjcrnccijbvdltbzxrclhuscubqbalddwbddyzawdxxvdhkdccddbhdaamacehexgcczehbqfnefcffeeioeqfbofcgljwdbeerdjrcjufxbvyjdfnhfeiiohjeibzzjshtcbdbpjqghqtojifjgskxieijikkkqjqwhlkolzltreimaljjkkyicoxljpwnqjxkkjclhfnivismilxjyfpgqnllpmmmvoamippnvbonoownaflhonpuxpiqckccnrwrqoccqgqprqpdofbkxtnzho...

result:

ok 

Test #124:

score: 0
Accepted
time: 1ms
memory: 3728kb

input:

38 99
lcnqdbnunbdbzudjlrywtorribfyxduvteracrxyunifgbivvkzxefslommakqzpqkoipbfckyhghwtjafiwnybobniqqrcybxi YYYYYGYYYYYYYYBYYYYYYYYBYYYYYBYYYYBYYBYBBYYYYYYYBYYYBYYYYYYYYYYYYYBYGYYBYBYYYYBYYYYYBBBBBBBBBBBBBYB
zvnepeuvrwzqrkmgoylqikrcnudzlzehdcyopuqytavurqzqygnpszcnykpfrsjdtlavrlgkkvswqkqrccffxugrcifdqo...

output:

zucrgbbhhojnuziavazugaylsshigisswzcryqhljpxjkkxlmftnntzwfvimbldnkbqeppwdzblsksxzfsxllhhmiqbmffjmomz

result:

ok 

Test #125:

score: 0
Accepted
time: 3ms
memory: 4200kb

input:

40 500
nociyvndtnjzbwfnkoirbeayjufjxljvsglmgbzyqddrlttohklanglgkepoezadibbyjpptxbsbeahwmdssetnwxyifixbcftwpekfiiormtpmyufikfguubzkngohpnroobefeanihvowxgdktkxpkyacxawaafupqcerckoyntlmvgdiehqgdmhftmlorsawglxdvtinmzdluinsnyeywxnvpossghmmnskkafswbeywoomhbidilmfzfjabgormdohxxlqewowhsjddlvltadnetadbynlguo...

output:

faoungefdfzvrsirwjhrzutyzhbadivfmbyqzozqcnfajyfzgqrjqaistuoebeztwfetxsuagpdrqxpjxerwbkwelgreftssonrdcjtlrinlqsxcirjqjjfrfbnfydhaalgizsglekuhejmdxlktavuqksdoeeaxamfnilkcjjlhkjlugzaogcyrnncmeywlsultiocoamprogegjfaycikwnhpgshmuolmrfqlewrtrfontzgqrwfspqvklesneqqlugjjtcfqhrzszhnamojdhjlzdjpzvjkgdejlbljhl...

result:

ok 

Test #126:

score: 0
Accepted
time: 28ms
memory: 4672kb

input:

7 500
nngsllnxkpwnspcftnkpuhpuqcmirgfpmtejqrbhhdzylwumotzkqwyvmijqbklpgqewnldqkvgzbxcdhmkqtwsiifslmnpfqqgdotjptxpofzkspqsmegmgmsdyxndckfpdofzmggpiwgrrwhrciavopdwyqxzxthudmqheezbdqihpmkgezeklynghjlufystcgnujxdvrrlgiogbfudpahzltwlnmkmkcqmqmegpuhlgswhuelsoyomaqzgwwxvdkiwfokyetrkjahataworndgcvtqeoznxewh...

output:

zzzzzzzzzyzzzzzzzaaaaazaaaaaaazababbbaaabbbbbababbbbbbbbbbaccccccccczdcdcdcddddcdddddddeeeffffeefffffffffeefdeeeefffgfgeffgfggggggggggggehhhhhhhhfgghghhghhhhhhghiiiihiiiiiiihiiiiiiijjjjjiiiijjjjjjjikkjkkkkkkkkkjkkkjkkkkllklljlllmlmlmmlmlkmmmmmmmmmlmjnnnnnnnmnnnnnnnnnoooonnnooonooooppoppppppoppppppop...

result:

ok 

Test #127:

score: 0
Accepted
time: 15ms
memory: 4484kb

input:

50 500
uikgvhvrmqsubmwdwhxcmtcpocrpxijhuvsniexaseairmkcbeklcgefagvtljfgiegaocuyuiqwxlxdpxurnojyioqamgwofiwfcmmjgyvigfvcjozervzfmkitsoakpqkjepbkpifrcuydaadlnyzuzqcivynubiadaagsmiahneoivnrxwyebomunjamdlnnbumabxevqugcbfgbqgduhgvjxtreauohsxzpqvglrttolbwlzpgbcqwgocnurrqkpximajmscldqajgqtvdmatypajhmynzcfj...

output:

bagbeddzbgyxcbcwpzvggzdhzecddyiwsyuigidvgcheivridabdiefybhkkhgkzcixesbkvkdxykdleikfcekhdgakkkhxtkvgclejffvlghzihiililfjkkleieiyekfjlcdljijjlhgdhilfhexohlcohohkckojogfogimmjjkmnimmnjohnnhnkhjhekmckpoomemkjprmyprgiamombogpjqprdqrfqpnprqqprjlrpmfmemnndhiqjlszpnpqqjssoqkgczpkuufoqrjurnlsippsrtlsrzpassrr...

result:

ok 

Test #128:

score: 0
Accepted
time: 8ms
memory: 4352kb

input:

20 500
idgnkmrnbkqgpmdkbfdszsrpghevtsnhgwolxsqqwathzcljlwpcegkceborovpjblydpugpdzmprpdwvhzoxmmchtdxrycqxtlqoankpbdsbkkwdhxmfxaiueqaglafodvimcpglygwxtyckrxkuufsvjjsbfsbbxesiuyqnukafrxdtflkkvnchyfayxvgvwvitxgljtcwnuwmmoloqlbsbhdqxuocnycrnprpkdvuboxdffqyyelptzdyegpoywwkplvejokbueqjyzpwmpozhiuyondtgkjea...

output:

nxauzhzfoydkhmaaeyhyboixbanbxaubbobacebniecwcajtooqabhcjducddidaeofcwddyceeendcereljfdmxfffdcqfykehfaidlfvjfwfkjrffeggiffiggufgdgnhrliiifimzewhjuchiypithiihiinpikhgyfzokhjoijkjilkujbkmjoohgklviflfolhjyikjadaxldklikdwljiljonnloogmtybmoaomwejokanlmonlspuniojoamophhmqsqjxoagzzmgcqywshqrmpnpbqrnpqqcrhre...

result:

ok 

Test #129:

score: 0
Accepted
time: 3ms
memory: 4476kb

input:

40 500
snfrdqgnvyyaraqccmotrtokkfmalyybgpwgulvlyxckrcxcldtepcsadrgnmctvegynxumxxilbssrbpamhbiuqiqlywakejtvwikqspifcememdyupghrwclrlpvulxamihrmengmrcgbweadneunrpgnkulxwnxbcmxquvgmipebjnwojpfxnsbhvyctavdqcgrgwjlkjensloiqioeijlwsscfdgtktugkpxngprzvebltcjijglgaifurynycshpoocpkvtdbwsfxcuszwehszqobvmqwxfm...

output:

udxrdmtnzkknqatabgekqdtegwwyaittsffweuxdubzffbddgpsdqjilqkvlciqaibfcyzlyatfnfbzbidihxbaznzyqbrbiwdzgfticjosubjwkoirfgzrlalgjktwoifckjbikgfruetklzjrxirzyydhekyugekngdfziryjckoznwjgqoelevesgxmcalzhnchfnydolhllpqfllyosuyannpupsplfdakkrfxmzsrchrsnuhejngfnqjzhawkmobwrklqteufdgtjtqqpqimshsskpngijlsfwoepdz...

result:

ok 

Test #130:

score: 0
Accepted
time: 28ms
memory: 4616kb

input:

8 500
xiqiycbimxqtfqjpslneyqplebchzxulzwjrgtegxuqgrqhvpnpngcjucxelkmjrizcvnrjqtvddxlpgltxwckqmpkpoadbippkbncrqfdfofscnfgpvyqgrbcdadfufemkbkpcdjmhyfokuxquypgtejulbyglpnrbdydywxfcupytfqnviupqgazwtyjbjxwfleheseyheobucdjqcdrefkqmslnrbjjmqerchombsqkofjgsnlwubvzvgedxljfjccwjrrctghbfuwwomjzzpkyxmcxkfxddgrf...

output:

nznnnnznyaaaanaaanaanaaababbbbbbabaaabbnbabbbbcccccccaccbbcccccddcdcdddcdcccdedeedeeeddeeeeddeeeddeeffffefdedfffeefffefffffffefefggggggggggggggggghhhhhghhhhhhghhiihiiiiihiiiiiiiiifhhihihjjjijijjjjjjjjjjjijjjjkkkkkkkkjkkkjkklllkllkllllllllllllllkmmmmmmmmnnnnnnnnnnnnnmnnnnnnnnnoooopppoppppoopoppponppp...

result:

ok 

Test #131:

score: 0
Accepted
time: 19ms
memory: 4468kb

input:

50 500
nxzrlyklxqvmvzvobwxktnrdwljurhvzllrjmfjkvwgcbkirbtiwylejxwfihpzvizdwvsgjaaiqkwriqildaoojglbljohibjkufsaagaxyjhzjfofnxmyhkwmlwbhzmydabjtgagwhedfhaypvajepofyhfbdouxwuhnbgztthctbqjqasonbglubknmeknsnbpctlwccyhiyepytqbcaftfrhwfzxocnndardvufksspvgfmsvcurqyeovcofkswrgwanlsgbllolrlsyweanwprleynusyizj...

output:

ecczddcwbedcfedaaycdzfaeecyxdegcfffdeefbefdghhbfihdfvhaigyifdfcfyhhfhyawdcgddfigfhdggicfedzecbekifegkikicvffgyhccaikghfyxfdekkkcukzekhvjehkchfhlkidkjkjellkklgkjcekhikgjllmibldjiogokighkoeajlcpioooojcgcjtlpywofpemjmpjklzlmlnjppbwlnsnnlnsilssnnjiitlphptssqttuvptkkttipijtgmnuipqstumnsursmulorqoqtmrmutp...

result:

ok 

Test #132:

score: 0
Accepted
time: 1ms
memory: 3848kb

input:

30 20
azzzzzzzzzzzzzzzzzzz GBBBBBBBBBBBBBBBBBBB
zazzzzzzzzzzzzzzzzzz BGBBBBBBBBBBBBBBBBBB
zzazzzzzzzzzzzzzzzzz BBYBBBBBBBBBBBBBBBBB
zzzazzzzzzzzzzzzzzzz BBBGBBBBBBBBBBBBBBBB
zzzzazzzzzzzzzzzzzzz BBBBGBBBBBBBBBBBBBBB
zzzzzazzzzzzzzzzzzzz BBBBBYBBBBBBBBBBBBBB
zzzzzzazzzzzzzzzzzzz BBBBBBYBBBBBBBBBBBBB
...

output:

aasaayfaafnpasaadcat

result:

ok 

Test #133:

score: 0
Accepted
time: 1ms
memory: 3788kb

input:

38 99
qeyynemrcyzwzvuoybvrvzmeehgkxdjsklfkrlthdrgtnwlmgpqrefjgmdwxoifalobzyiffgrdqlwwmvxatxvlhbhqsfnjqpmt YYYYYBYYYYYYGYYYYYYYYYYBBYYYYYYYYYBYYYYYBYYYYYYYBYYYBBYBBBBYYYBYYYYBBYBBBYGYBBBBYBYYBBBYYYYYBYYYYBB
kfjamtsoagrrvlrqjnovogtiwsjwauxmqjmklnumwcarztrhzmhekliwilsnnuhbyewgqjzksoybnqnnggodjblpszvkse...

output:

yqnzxkpkiktlzjbgoshvbrtryaomiypruclrbaauepaqkpvhyqcoqqzacpprvhhngjsawhcqccdcjmphhvlxmrhwlusatdaoncb

result:

ok 

Test #134:

score: 0
Accepted
time: 7ms
memory: 4580kb

input:

20 500
nixynynsrobetbjrzejtjkegkaogsaillemsrxikuuedvhrzjovgsfhkiwjzdstergysibyqpvyrwrrcjddsxlyqdlfwvjabmwanmxzkpihmmjxdutsingdorqgszclfjvcpzzjlemkpngmhrwchrycncoefavqmwcqlgyjzxtskapmxwnbdwnctpjsiabbaaurcjvefbpjouneqgejcpsnaahtylxsahmktvhvfzugxkulocepedrphwsujxowmnpdmbbqjulslqijltopnphxllsbrsbwdhyszd...

output:

pzqrbeabaaffizoaanbcdvyobycjtdfddjbwsdbdjgnocoqbfysddmdqttrfflmddppzrqcoaevrflaqfdpeqhbjfbjlvfbbegxreehdcdgfdphefhmfoxgvaeagrghfoyhfhxfhrcxwhagpiwqixdiiginirijtkxjkkimjxkaijkkbgigtaaijiujqukkholguwbkllklvnkkpnjslnnkltnclndlljmnmzmonnslojumlloinieopjnowontommfmcofsothzvogjonhkzlropsphqpnigpeteylpnppq...

result:

ok 

Test #135:

score: 0
Accepted
time: 3ms
memory: 4200kb

input:

40 500
qvxlguccwpbtfosxdxjcaslntxgmfxzsantgvrtmcyfwuqgucbdychvadnxfreaiklbmgmadqxpsrwocowtjrhjxyovenmbfmgtuyevakqjiuthlzixijiujvgnpelovuzakwbkmcoivedpzaytfbvcrzrexbiqyeqcprollhrjaqwjxqmiravpxfyifmhwbnfysqbdirmozlhellydconrbxfvunxuplujacyuzkxqpedznvprcimjrxpoilkspgtcceatsormsqnbyhndlgqwaytwsxxfttafsc...

output:

mtarwdlgahhndcklhwvngvecqpkmezgbvzqouekexdobiuboifkoytrrzgymzmaeslndzsccoglrwfihgirnahfkbroahzabrrhaeydelyhmeoimqcdqnmnstuqvkmmedbvlkcbmrdeactgsbyirzmlaetikkvtakcidpgkyqmbkrnsxzxlpeoozugtsnetxvzevbxqqzdibbwwondlicnpfmozcpoxxbfmtlqhaelurmjbrdnmxjnlgjrdospukxwcopbomrvjaduklputebrfygykjbfnjqeorqixerinc...

result:

ok 

Test #136:

score: 0
Accepted
time: 15ms
memory: 4752kb

input:

50 500
lwgcolotodckvwmbefzrabvbqvekrdkwbovegjovpdlhpzdgeqgplvajpdisoxywdlssiaotqlvqdnndntdofaikqyekozxqjpuvwendiexjwqidxlikzcewckbjxdsnwdwfitpdnvwjnrglnhaazibzoizmfkkajvvvbpvcwdpsnhzepxrkcvnwoyyqnvzwqghqwhwtiarsouxqyqigucxxlxsmvxvmyaujclujbrxuyojcwxqgzszgdnuopfkjfnewiwgopkjefficwslltdgsbrditextdwxox...

output:

cpbdfeebfcbacyyfhdcbevddbxccdfdrxfcbfcwfchhzcahhztbfhpuxbchdggugszdhbfcgegahvghvhcfdagzbucggfgbiexxzhycieyeigwgyhbllllfdglgiqfezbhfwgehediebhwiikelwxdiflmmjhfdkihkjkmmmlkehlejzigkikcwdylwkhjmfmjbahjjhninflhnxhmglokhoookkkognoioefnjojlnoahngmllkokljjhgioljppmlmjonnopklclknnlknqlqpooqlkqyrprqcrrhoiarr...

result:

ok 

Test #137:

score: 0
Accepted
time: 1ms
memory: 3888kb

input:

30 20
azzzzzzzzzzzzzzzzzzz GBBBBBBBBBBBBBBBBBBB
zazzzzzzzzzzzzzzzzzz BGBBBBBBBBBBBBBBBBBB
zzazzzzzzzzzzzzzzzzz BBYBBBBBBBBBBBBBBBBB
zzzazzzzzzzzzzzzzzzz BBBGBBBBBBBBBBBBBBBB
zzzzazzzzzzzzzzzzzzz BBBBYBBBBBBBBBBBBBBB
zzzzzazzzzzzzzzzzzzz BBBBBYBBBBBBBBBBBBBB
zzzzzzazzzzzzzzzzzzz BBBBBBYBBBBBBBBBBBBB
...

output:

aajarxhrrraapwamacra

result:

ok 

Test #138:

score: 0
Accepted
time: 1ms
memory: 3744kb

input:

38 99
pdcxnpchuhnjkesyrhzhbvigmnzsclduhpzbafsdjoqnvqufwccluyijavnbcvwzjmbslitkeoyyusmydcjgupsjugxcnvphnik YYYYYYYYBYYYYYYYYYYBYYYYYBBYYYYBBGBYYYYYYYYBYYBYYBBYBYYBYBBYBBYBBYYYYBYBYYYYBYYYBBBYBYBBBYYBBBBBBBB
aktlvhefxyiyoqbfykdplzvpkqltlcmuoptxhixpddzrwgqvphxngbjhvwojcxztsgmvogdqqphprbqgphbskoqtxcpdbp...

output:

mrsemxxahaymnagshjnrqloywvbyyxtyypqagslvoypabmdxkgdqfetpozwtoafyrldcybytchwfrecsfotfqwbpiywjbibtrse

result:

ok 

Test #139:

score: 0
Accepted
time: 4ms
memory: 4416kb

input:

40 500
uzjmgymcylmysxcrrymwcnofpflbhruopcojnvkcmouoxfwhojapwtnnqefehbrbdxpvqjgmyspqeyybofbetcrfhpaqnljlnrgopvihrreqlxhasxouvgeapflvmxgjyagoxavhhwckjzzjxzdksqmuwizptrfodwvulsqxutedqazctagynmjbuwudnzmrmswbaacywrnwtyebgkbxqpbcdxcszswfpthkfdmzdamuztaigxctsrlsigjmzwsbbeybmymootmivkzmgxjrwkonyiataoefsfmvv...

output:

vhnezeyrktncahelobmqagutzefhazzybelrclerlclvgtbelixcghgguzeffhgcvupfhvwepvpvvhzimwzbtdhopgwhdqdgcinftbdpwqadgijhsvgfyjnbsmczwyziikfrjmkxxhhnjblgkiwueekoogmyxtecaigimpjmjyuramomiosvoprbjenxjuvxnlzpuwncpkjfefdqtvfpciacsgdvbprpwppolhealzlzppgqxqtvxivhwrximoqqxcbobpuynkniksrksssevxuzxneorsuatrasvvekboti...

result:

ok 

Test #140:

score: 0
Accepted
time: 27ms
memory: 4668kb

input:

10 500
xsimzmrnrwkrhlqcudoxlgjohikinljmrhetqfzucreypgkxangkacnjgvzxlnqivnukorergxzmidkdjvluajuppwnlijnfzzkhawhhlcisvrcscjsdwsarerilfycpsrbgrplapfsrmcxrqhrztqgrslrbcxjcwuahohnhfbzpfnfilxihrkssyjtorcgorequvyokoteqsargqttlanlpaeivsrwztwymwnjmknihvrarnxhixaxbxsxhlfxcdkbfnyaqtactwzxfbtcmwdvdlcwyzfcmtljpt...

output:

yzyzyzaaaaaaaazazazzyaaazzaabxbbzabbbbazbbabbbbbcccacbccbdddddcddbdddcddcddcdcdcdbddcddeeeeefffefffefeffggggfggeggggggfgggegegefgffdgghhhghehhhihiiiiiiihijjijhhjijijjijjjjikkkkikjjkjkkjkjikkkkijkkjklllklllllllmmkmmmmllmmlmmmmmmlnmnlmmnnnnmnlnmnnlnnoonokoooooonoooooonopoppppopopppooopqqqqpqqqqpqqqqop...

result:

ok 

Test #141:

score: 0
Accepted
time: 1ms
memory: 3796kb

input:

13 78
atxrzzdogxijznphsjlluqlrkgskvyztadtywogwecslmxfvqnfwfrdwhplvwhphcldrxatunvxrob YYYYYYYYYBYYBYYYYYYYYYYYYYYYYYBYYYYYYYBYGYBYYBYYYYYBYGYBBYBYBBYBBGBYBYBYYYBGYY
bybporjtlvekycuvihdibibipzsqbwcsqzudxvyebzclyhkzqrqiharctxhbkmliuywlamwpdxosqp YYYYYYYGYYYYYYYYYYYYYBYBGYYYBYBYYYYYYYYYBBBYBBYBYYYBBYYBY...

output:

raacawbtddbfeffxbfhgilkgpkjjklljnvmnntbqeppdqqlwoqorrrprrssbuotuilyavvyrvzzryp

result:

ok 

Test #142:

score: 0
Accepted
time: 3ms
memory: 4132kb

input:

84 372
qipcbroojpntrdpkaexvlxwjoiyovtvihmxautephjvzpdjvjbqqfsuhsutaqouxxnehofrvqmjcutqifyirgkvmhzuacqwgodopnrtoaufvufswewrvqreefwdwdnbrcuuuorjebvsfruunekopkysnwqioiqmithyfszubxeytclafgnhciwajyuuxzlorqepcodfcwsngahmaplzbisdhgqvrpgogvjkngnbkmrdeahyezspwzlovgaxsqkzbhfbdyldilojyhugijuxjifhgspdqpxpbpjygz...

output:

gmskdfngrsqdewaxsnjswnfsilxseqdhvwzxuuvqsrewxhpumpthhlczvlmahfwsinvelcyyonszsrsbcesgacmakysinpyqeopitreofdawhtqnkhkkgkguekxmhwysqxaemnakvhzhvmcnmygyyewqxxaijysrxlpeueajmlmzjxxxevyldzrcgrmrpkwydymgdbguywfwsqnlpezpqexcaldmusoerkwwvdbudsamipudrspmpdgpvwvdejntfzwmgwjhsfppnrfhzlixwralsnkoszkpczrrdyigwnwr...

result:

ok 

Test #143:

score: 0
Accepted
time: 3ms
memory: 4264kb

input:

40 500
qdeezcmiwkdfctpgdwdffklbrqeluimxulivoceryupjudrqekkbtjogsxgzsjqhbvktutpwpxzaywigylbssvoasicrtocmpdsjhuvxxmkmouviukufiqdtcyghmevuqrcfdxbavmkwhtleuhsbecvejzuulmwqodlgklwcyaoczmhhtihfwwrjsjzivodqeyhvoobzbjkwouxxtrjfbpprikonyscerskpyllvnodnxscxcqoajuqrodqjlaeptbjcfmbjqlfkaczlvjhvnqaiwkjhfxqlczlyw...

output:

hgyaimtfhwggtucqpbyhwknfceloquixuybixawxsvzdujjighbmudzkevljbgabadfghqanpjotbhwjcdfxsphekhfvwromcexwjkmhqljcjydptpkslxxdnnvndppetejybanwbsrnykwftveecchdmmnuqkwgbuyioqjfxvtxivuutuxiwouefsmzadfhqukepvknyfvyeeghmqbqcykhcbxsnlldhpvibubkzghiixvpxlrixrostnngagguzmtglfqvnntikucuizuucztjnupqshylosvtkywcshdq...

result:

ok 

Test #144:

score: 0
Accepted
time: 1ms
memory: 3704kb

input:

29 20
azzzzzzzzzzzzzzzzzzz YBBBBBBBBBBBBBBBBBBB
zazzzzzzzzzzzzzzzzzz BYBBBBBBBBBBBBBBBBBB
zzazzzzzzzzzzzzzzzzz BBYBBBBBBBBBBBBBBBBB
zzzazzzzzzzzzzzzzzzz BBBGBBBBBBBBBBBBBBBB
zzzzazzzzzzzzzzzzzzz BBBBGBBBBBBBBBBBBBBB
zzzzzazzzzzzzzzzzzzz BBBBBYBBBBBBBBBBBBBB
zzzzzzazzzzzzzzzzzzz BBBBBBYBBBBBBBBBBBBB
...

output:

jkyaaqmqaraaurvmyaaw

result:

ok 

Test #145:

score: 0
Accepted
time: 1ms
memory: 3660kb

input:

31 20
azzzzzzzzzzzzzzzzzzz YBBBBBBBBBBBBBBBBBBB
zazzzzzzzzzzzzzzzzzz BYBBBBBBBBBBBBBBBBBB
zzazzzzzzzzzzzzzzzzz BBYBBBBBBBBBBBBBBBBB
zzzazzzzzzzzzzzzzzzz BBBGBBBBBBBBBBBBBBBB
zzzzazzzzzzzzzzzzzzz BBBBYBBBBBBBBBBBBBBB
zzzzzazzzzzzzzzzzzzz BBBBBYBBBBBBBBBBBBBB
zzzzzzazzzzzzzzzzzzz BBBBBBYBBBBBBBBBBBBB
...

output:

fshacwfassglawaopjww

result:

ok 

Test #146:

score: 0
Accepted
time: 3ms
memory: 4004kb

input:

315 300
azzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz...

output:

acxqacaagocacapaaaayablacaaracaqaxgyajaaaaelqadddeeaaawaahaddanaapafafanfabaaaaaafpafagggakaauvaaagaaaagaaaajakfaaqaajxahijaaaaatlawaaaajjlaaahgaaaaaaehksmnnlmuauaaajaaiakaamnvaaaanaaamnxaabaamoapapuaadappaaaaqeaosqopqqdqaaqlaqpaaqoakasdfhmaqfaangwsqaaorxappubsaastsrtswvtraaadupaaacsfavavuygwyaaxbww

result:

ok 

Test #147:

score: 0
Accepted
time: 1ms
memory: 3708kb

input:

29 20
azzzzzzzzzzzzzzzzzzz YBBBBBBBBBBBBBBBBBBB
zazzzzzzzzzzzzzzzzzz BYBBBBBBBBBBBBBBBBBB
zzazzzzzzzzzzzzzzzzz BBGBBBBBBBBBBBBBBBBB
zzzazzzzzzzzzzzzzzzz BBBYBBBBBBBBBBBBBBBB
zzzzazzzzzzzzzzzzzzz BBBBGBBBBBBBBBBBBBBB
zzzzzazzzzzzzzzzzzzz BBBBBYBBBBBBBBBBBBBB
zzzzzzazzzzzzzzzzzzz BBBBBBYBBBBBBBBBBBBB
...

output:

egagaosalaaprayrpyja

result:

ok 

Test #148:

score: 0
Accepted
time: 0ms
memory: 3708kb

input:

30 20
azzzzzzzzzzzzzzzzzzz YBBBBBBBBBBBBBBBBBBB
zazzzzzzzzzzzzzzzzzz BGBBBBBBBBBBBBBBBBBB
zzazzzzzzzzzzzzzzzzz BBYBBBBBBBBBBBBBBBBB
zzzazzzzzzzzzzzzzzzz BBBGBBBBBBBBBBBBBBBB
zzzzazzzzzzzzzzzzzzz BBBBYBBBBBBBBBBBBBBB
zzzzzazzzzzzzzzzzzzz BBBBBYBBBBBBBBBBBBBB
zzzzzzazzzzzzzzzzzzz BBBBBBGBBBBBBBBBBBBB
...

output:

falarfawuanaapvatgna

result:

ok 

Test #149:

score: 0
Accepted
time: 1ms
memory: 3856kb

input:

31 20
azzzzzzzzzzzzzzzzzzz YBBBBBBBBBBBBBBBBBBB
zazzzzzzzzzzzzzzzzzz BYBBBBBBBBBBBBBBBBBB
zzazzzzzzzzzzzzzzzzz BBYBBBBBBBBBBBBBBBBB
zzzazzzzzzzzzzzzzzzz BBBGBBBBBBBBBBBBBBBB
zzzzazzzzzzzzzzzzzzz BBBBGBBBBBBBBBBBBBBB
zzzzzazzzzzzzzzzzzzz BBBBBYBBBBBBBBBBBBBB
zzzzzzazzzzzzzzzzzzz BBBBBBYBBBBBBBBBBBBB
...

output:

mccaadqamdwosqalaaja

result:

ok 

Test #150:

score: 0
Accepted
time: 1ms
memory: 3976kb

input:

38 99
amimobtouampmyfcupgtlsdjbtftablgthpaamgzurxxpzhqmahepdflzsnsiwgepjejgzvlbndsilxrhegxmxofimocmhunwvn YYYGYYYYYYBYBYYYYYYYYYYYYYYYYGYYYYYYBBYYYYYYBYYYBBBYBYBBYYYBYYYYBYYYYYYBBYYBBBGYBYYYBBYBBBYYBBYYYYB
gyzmrybfmjlbxvzqqdbekapnixntkelxammnjmqzppfyfiarfhjrfvzsfsdfwmxyhnaeqktbysrtzteeutpvldzyuldvlq...

output:

ozzmborwthdfpglvdgyontgctxcetbbehvgudadapjtccuewucsjrztzmxenjfuarscorrcaclzjvjxtxgivvqtyrweneivwopg

result:

ok 

Test #151:

score: 0
Accepted
time: 0ms
memory: 3576kb

input:

20 10
azzzzzzzzz GBBBBBBBBB
zazzzzzzzz BYBBBBBBBB
zzazzzzzzz BBYBBBBBBB
zzzazzzzzz BBBYBBBBBB
zzzzazzzzz BBBBYBBBBB
zzzzzazzzz BBBBBGBBBB
zzzzzzazzz BBBBBBYBBB
zzzzzzzazz BBBBBBBGBB
zzzzzzzzaz BBBBBBBBYB
zzzzzzzzza BBBBBBBBBG
gdsscwqous YBBBBBBBYB
dwinyxqdqu BBBBBBBBBY
zhnowhvsns BBBBBBBBBB
xkdiostp...

output:

algumapata

result:

ok 

Test #152:

score: 0
Accepted
time: 3ms
memory: 4036kb

input:

315 300
azzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz...

output:

aacjfadaaoaadaathadyadaydaedacauaaaaaaejheeeatqafeauaaggaaagdcaiiaaaaaaifmgawahmaiagaaihaaajiaaaaakabaakajjmammnallanncaataklnaellokaaxannaaanaakkaoaaaoaaaaamapjaajoaupkpasapuajuoqaautokarrauauuaqacrauasryasanuquwauauatattaaaawlasxgvaetavaxaaeavaadxaxxayavxaaasdjaaxwaayaabakxlabacaaaamwaaewawsoaiaaa

result:

ok 

Test #153:

score: 0
Accepted
time: 0ms
memory: 3628kb

input:

31 20
azzzzzzzzzzzzzzzzzzz GBBBBBBBBBBBBBBBBBBB
zazzzzzzzzzzzzzzzzzz BGBBBBBBBBBBBBBBBBBB
zzazzzzzzzzzzzzzzzzz BBGBBBBBBBBBBBBBBBBB
zzzazzzzzzzzzzzzzzzz BBBGBBBBBBBBBBBBBBBB
zzzzazzzzzzzzzzzzzzz BBBBGBBBBBBBBBBBBBBB
zzzzzazzzzzzzzzzzzzz BBBBBYBBBBBBBBBBBBBB
zzzzzzazzzzzzzzzzzzz BBBBBBYBBBBBBBBBBBBB
...

output:

aaaaacegoaaeagvataaa

result:

ok 

Test #154:

score: 0
Accepted
time: 1ms
memory: 3620kb

input:

20 10
azzzzzzzzz GBBBBBBBBB
zazzzzzzzz BGBBBBBBBB
zzazzzzzzz BBGBBBBBBB
zzzazzzzzz BBBYBBBBBB
zzzzazzzzz BBBBYBBBBB
zzzzzazzzz BBBBBGBBBB
zzzzzzazzz BBBBBBGBBB
zzzzzzzazz BBBBBBBYBB
zzzzzzzzaz BBBBBBBBYB
zzzzzzzzza BBBBBBBBBY
qzrjviywup BBYBYBBBBB
mhroevgubl BBYBYYBBBB
dfhcfqjgpp BBBYBBBBBB
gjnwpser...

output:

aaavraance

result:

ok 

Test #155:

score: 0
Accepted
time: 1ms
memory: 3928kb

input:

29 20
azzzzzzzzzzzzzzzzzzz YBBBBBBBBBBBBBBBBBBB
zazzzzzzzzzzzzzzzzzz BGBBBBBBBBBBBBBBBBBB
zzazzzzzzzzzzzzzzzzz BBGBBBBBBBBBBBBBBBBB
zzzazzzzzzzzzzzzzzzz BBBYBBBBBBBBBBBBBBBB
zzzzazzzzzzzzzzzzzzz BBBBGBBBBBBBBBBBBBBB
zzzzzazzzzzzzzzzzzzz BBBBBYBBBBBBBBBBBBBB
zzzzzzazzzzzzzzzzzzz BBBBBBYBBBBBBBBBBBBB
...

output:

daasamkakaasiaaxarka

result:

ok 

Test #156:

score: 0
Accepted
time: 1ms
memory: 3648kb

input:

31 20
azzzzzzzzzzzzzzzzzzz YBBBBBBBBBBBBBBBBBBB
zazzzzzzzzzzzzzzzzzz BYBBBBBBBBBBBBBBBBBB
zzazzzzzzzzzzzzzzzzz BBYBBBBBBBBBBBBBBBBB
zzzazzzzzzzzzzzzzzzz BBBYBBBBBBBBBBBBBBBB
zzzzazzzzzzzzzzzzzzz BBBBGBBBBBBBBBBBBBBB
zzzzzazzzzzzzzzzzzzz BBBBBYBBBBBBBBBBBBBB
zzzzzzazzzzzzzzzzzzz BBBBBBYBBBBBBBBBBBBB
...

output:

gfhpaosaaaanaayaaaos

result:

ok 

Test #157:

score: 0
Accepted
time: 0ms
memory: 3576kb

input:

38 20
azzzzzzzzzzzzzzzzzzz YBBBBBBBBBBBBBBBBBBB
zazzzzzzzzzzzzzzzzzz BYBBBBBBBBBBBBBBBBBB
zzazzzzzzzzzzzzzzzzz BBYBBBBBBBBBBBBBBBBB
zzzazzzzzzzzzzzzzzzz BBBYBBBBBBBBBBBBBBBB
zzzzazzzzzzzzzzzzzzz BBBBYBBBBBBBBBBBBBBB
zzzzzazzzzzzzzzzzzzz BBBBBGBBBBBBBBBBBBBB
zzzzzzazzzzzzzzzzzzz BBBBBBGBBBBBBBBBBBBB
...

output:

nfebtaaaaxopaoapnsvb

result:

ok 

Test #158:

score: 0
Accepted
time: 1ms
memory: 3712kb

input:

29 20
azzzzzzzzzzzzzzzzzzz GBBBBBBBBBBBBBBBBBBB
zazzzzzzzzzzzzzzzzzz BGBBBBBBBBBBBBBBBBBB
zzazzzzzzzzzzzzzzzzz BBYBBBBBBBBBBBBBBBBB
zzzazzzzzzzzzzzzzzzz BBBYBBBBBBBBBBBBBBBB
zzzzazzzzzzzzzzzzzzz BBBBYBBBBBBBBBBBBBBB
zzzzzazzzzzzzzzzzzzz BBBBBGBBBBBBBBBBBBBB
zzzzzzazzzzzzzzzzzzz BBBBBBGBBBBBBBBBBBBB
...

output:

aayokaarfkadaalxydms

result:

ok 

Test #159:

score: 0
Accepted
time: 1ms
memory: 3600kb

input:

20 10
azzzzzzzzz GBBBBBBBBB
zazzzzzzzz BGBBBBBBBB
zzazzzzzzz BBYBBBBBBB
zzzazzzzzz BBBYBBBBBB
zzzzazzzzz BBBBYBBBBB
zzzzzazzzz BBBBBYBBBB
zzzzzzazzz BBBBBBYBBB
zzzzzzzazz BBBBBBBYBB
zzzzzzzzaz BBBBBBBBGB
zzzzzzzzza BBBBBBBBBG
wvzqnqfrwy BYBBBGBYBB
whmfqjpixb BYBBYBBBBB
ytdmgqlwso BBGBBGBBBB
vjwojycf...

output:

aadhrqvuaa

result:

ok 

Test #160:

score: 0
Accepted
time: 1ms
memory: 3756kb

input:

23 35
zzzzzzzzzzzzzazzzzzzzzzzzzdzazzzzzz BBBBBBBBBBBBBYBBBBBBBBBBBBYBBBBBBBB
zzzzzzzzzzzzzzzzbzzzzzzzzzezzzzbzzz BBBBBBBBBBBBBBBBYBBBBBBBBBYBBBBBBBB
zzzzzzzzzzzzzzzzzzzzczzczzfzzzzzzzz BBBBBBBBBBBBBBBBBBBBYBBBBBYBBBBBBBB
zzzzzzzzzzzzzzzzzzzzzzzzzzgzzzzzzzz BBBBBBBBBBBBBBBBBBBBBBBBBBYBBBBBBBB
zzzzzz...

output:

yyyyyyyyyyabdefghijklmnopqcrstuvwxy

result:

ok 

Test #161:

score: 0
Accepted
time: 0ms
memory: 3716kb

input:

27 10
vvvnnvvvnv BBBYYBBBYB
vvvjjvvvjv BBBBBBBBBB
vvvyyvvvyv BBBBBBBBBB
vvvttvvvtv BBBBBBBBBB
vvvaavvvav BBBBBBBBBB
vvvoovvvov BBBBBBBBBB
vvveevvvev BBBBBBBBBB
vvvhhvvvhv BBBBBBBBBB
vvviivvviv BBBBBBBBBB
vvvssvvvsv BBBBBBBBBB
vvvqqvvvqv BBBBBBBBBB
vvvrrvvvrv BBBBBBBBBB
vvvkkvvvkv BBBBBBBBBB
vvvddvvv...

output:

nnnxxnnnxn

result:

ok 

Test #162:

score: 0
Accepted
time: 1ms
memory: 3760kb

input:

27 50
iiiiiiiiriiiiiirirrirriiiiiiriiiriiiiiiiriiiiiirii BBBBBBBBYBBBBBBYBYYBYYBBBBBBYBBBYBBBBBBBYBBBBBBYBB
iiiiiiiixiiiiiixixxixxiiiiiixiiixiiiiiiixiiiiiixii BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB
iiiiiiiifiiiiiififfiffiiiiiifiiifiiiiiiifiiiiiifii BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB...

output:

rrrrrrrrcrrrrrrcrccrccrrrrrrcrrrcrrrrrrrcrrrrrrcrr

result:

ok 

Test #163:

score: 0
Accepted
time: 1ms
memory: 3916kb

input:

27 100
wwwwzwwwzwwwzzwwwwwwzzzzwzwzzzzzwzwwzzwwwzwzwzwwwwzzzwwzzzwzwwzzzwzwzwzwwzwwzzzzwzzzwzwzzzzwzzwwzzww YYYYBYYYBYYYBBYYYYYYBBBBYBYBBBBBYBYYBBYYYBYBYBYYYYBBBYYBBBYBYYBBBYBYBYBYYBYYBBBBYBBBYBYBBBBYBBYYBBYY
hhhhzhhhzhhhzzhhhhhhzzzzhzhzzzzzhzhhzzhhhzhzhzhhhhzzzhhzzzhzhhzzzhzhzhzhhzhhzzzzhzzzhzhzzzz...

output:

bbbbwbbbwbbbwwbbbbbbwwwwbwbwwwwwbwbbwwbbbwbwbwbbbbwwwbbwwwbwbbwwwbwbwbwbbwbbwwwwbwwwbwbwwwwbwwbbwwbb

result:

ok 

Test #164:

score: 0
Accepted
time: 20ms
memory: 4412kb

input:

27 500
uuuuuuuuuuuuuuuuunuuuuuuuuuuuuuuuunuuuunuuuuuuuuuuuuuuuuuuuuuunuuunuunnnuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuunuuuuunuuuuuuuunnnnuuuuuuunuunuunuuuuuuuuuuuuuunuuuuuuuuuuuuuuuuuuuuuuuuunuuuuuunuuuuunuuuuunuuuuunuuuuuuuuuuuunuuuuuuuuuuuuunuuuuuuuuuuununuunuuunuunuuuuuuuuuuuuuuuuuunuuuuuuuuuuuuuuu...

output:

nnnnnnnnnnnnnnnnnlnnnnnnnnnnnnnnnnlnnnnlnnnnnnnnnnnnnnnnnnnnnnlnnnlnnlllnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnlnnnnnlnnnnnnnnllllnnnnnnnlnnlnnlnnnnnnnnnnnnnnlnnnnnnnnnnnnnnnnnnnnnnnnnlnnnnnnlnnnnnlnnnnnlnnnnnlnnnnnnnnnnnnlnnnnnnnnnnnnnlnnnnnnnnnnnlnlnnlnnnlnnlnnnnnnnnnnnnnnnnnnlnnnnnnnnnnnnnnnlnlnnnn...

result:

ok