QOJ.ac

QOJ

ID题目提交者结果用时内存语言文件大小提交时间测评时间
#113585#5161. Last Guesslmq26052003AC ✓31ms5464kbC++176.4kb2023-06-18 18:33:272023-06-18 18:33:30

详细

Test #1:

score: 100
Accepted
time: 0ms
memory: 3784kb

input:

4 5
reply YYGBB
refer BBBGG
puppy YYGBB

output:

upper

result:

ok 

Test #2:

score: 0
Accepted
time: 1ms
memory: 3748kb

input:

2 12
aabbccddeeff GGGYGBYYYBBB

output:

aabecbbbddbb

result:

ok 

Test #3:

score: 0
Accepted
time: 30ms
memory: 4504kb

input:

25 500
qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqoqqqqqqqqqqqqqqqqqqqqqqoqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqjq...

output:

aooabcdefghijklmnprstuvwxyzaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaoaaaaaaaa...

result:

ok 

Test #4:

score: 0
Accepted
time: 30ms
memory: 4356kb

input:

24 500
vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvuvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv...

output:

apsabcdefghijklmnoqrtuwxyzaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaapaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa...

result:

ok 

Test #5:

score: 0
Accepted
time: 30ms
memory: 4360kb

input:

23 500
qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqgqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqgqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqgqqqqq...

output:

agguuuzabcdefhijklmnoprstvwxyaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa...

result:

ok 

Test #6:

score: 0
Accepted
time: 30ms
memory: 4504kb

input:

22 500
ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccoccccccccccccccccccccccccccccccccccccccccccccccccfccccccccccccccccccccccccccccccccc...

output:

abbfffmaxdeghijklnopqrstuvwyzaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaabaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa...

result:

ok 

Test #7:

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

input:

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

output:

vampabrujyavasaaqalj

result:

ok 

Test #8:

score: 0
Accepted
time: 1ms
memory: 3828kb

input:

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

output:

avqduiasiaafbuvvayya

result:

ok 

Test #9:

score: 0
Accepted
time: 1ms
memory: 3872kb

input:

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

output:

kawaasoaaaeaoaahaaal

result:

ok 

Test #10:

score: 0
Accepted
time: 20ms
memory: 4464kb

input:

25 500
eppppsppppppappppapppaswppspwppeupppwpwppppwppspppppppapppppspppappwpppppspspuppppppppppupwppeppppppppuppppusppspppppppwppppppppspeppppppppppepspppeppuppppwpppppppppppppwpppppppwppupppppspppppppppppppupeppppppppsppppeppaeppppppppppppppppppappppppppppppppppsppwppuappppepupuapppeppppppapppppppp...

output:

vayjogcjsnarhzfrshqbxhgirsgmitjvlabdikinenuizmgwwuqtzohxzeudgtmnhsaiacratgwgjljtkyetowdwlaibdvksccbsonlmrdjlgbngconrstmidytrdknwgjvyxzueqskrnvqgzmtvaelfxubiaqctbexjeftotinkqfsusinolqbsxjgcrqwkerywwmyylevubemsnzagqjtuvcuhvrbcnfcxznfymkquskbhffkcxrezezkemfyfgfzirxlhanfbvrldlhfcavqzzcbyhycwtknftnxhomqg...

result:

ok 

Test #11:

score: 0
Accepted
time: 16ms
memory: 4312kb

input:

25 500
smxeetdiacxotgkpibsieraggqfjdbjxykzpiinrjxkmcczngkgpidtnacrzonzmrjsyfaiptigawddifgqxiiqibyymxvzncvifqsyfxmeodqwvwgqegpizkzfvsyywomkaviwjcasacijfbpjibvsroitinpfddjzcdkmxeisynrzipizmoyveveqwsfaqixobgrkstwtdtcfbwrvyvrgwdcmjozmitwcfitpzqdnikqbcpzyerwwigzdiczfmagmvacqxwbbiiiqrgxwvprvicjdsajinpmrrn...

output:

lxrggumnthrcukqbzoljgstkkayvmovrpqfbjjwsvrqxhhfwkqkbnmuwthsfcwfxsvlpytjbuzktdmmnykarnnanoppxrefwhejyalpyrxgcmadedkagkbnfqfyelppdcxqtendvhtlthnvyobvzoelscnuzwbymmvfhmqxrgnlpwsfjbjfxcpegegadlytajrcoksqludumuhyodsepeskdmhxvcfxjudhyzubfamwnqaohbfpgsddzkfmjhfyxtkxethardoojjzaskrdebsenhvmltvzwbxsswengqqwz...

result:

ok 

Test #12:

score: 0
Accepted
time: 20ms
memory: 4400kb

input:

25 500
zzzzzzzzzzezzzzzyzzzyfzzzzzyzfzzzzzuzzzzzzzzyezezzzyzzzzzzzzzzzzzzzuzzzzzzzzfzzzzzzzyzzezfzzzzzzzzzzzzzzzzzzzzzzzfzzzzzzzzzzzzzzuzzzzzzzzzzzzzzzzzzzzuzzzzzzzzzzzyzzzzuzzzzzzzyyzzzzzzzzzzzzzzzzzfzzzzzzzzzzyzzzzyzzzzzzeezzzzzzzzzzyzzzzzzzyzezzzfefzuzzzzzzzzzzzzzuzfzzzzzzezzzfzzzzzzzzzzyuezzfzzz...

output:

qjtwjfaynbvccrdxmkyemidubqxmbidthnhseryxlaeymvbvdqgmjplbtulcjwhffjcsftewuqbxixoaeklqmfcvjiyeuthdcnfrqlwcoynrwjtxyinarlkxyfwkcjwxsqbcldqgnhuohjjbalwyasdpgxqdrbenwmyonrsplnurofmmjjfkxwoqabotkkoatikpndnkqcqxmlpggmanbphuvvttrwehopqgmkreelbdmyvrhgivicskkpqgklfpyytlsxixrlogyvqanirnpjbxexfdmsvgfiepdgrsdfgd...

result:

ok 

Test #13:

score: 0
Accepted
time: 8ms
memory: 4504kb

input:

26 500
ffafffffafffffffffffffaaffaffffffffffffffffffffffffafffaffafffffffafffffffffffffffffffffffafaffffffffffafffffafffffffffafaffffffffffffffffffffaffffffffffffffffaffaffffffffffffffaffffffffffafffffafffaaffffffafafffafffffffffffffffaaffffffafffffffffffafffffffffffafffffafffffffaffffffffffafafffff...

output:

jwqgkmcwfmttddjkrgeiupgfkpfhchbnthnxduniuodldbwubupqebtfneqjtwbtbpfnjtbblwpkwpmlmjcbhtnethftfwbhspbcnjiqbhjwwqhlbijtwbifhqnunbnhulnhnemgnhrhujflhjhlplbeklebltcfuefibwgchwiujeenkfnjxitedgusfpxowsfcosffogyohkfifogrfrrcdskevggktsttffwnsowcfojjetdpkpytqcweovropxsrsrtxvkqryirsosgtjpjpgipmrftfcotxitpqfbci...

result:

ok 

Test #14:

score: 0
Accepted
time: 9ms
memory: 4556kb

input:

26 500
eeeeeeeeeeleleeeleeleelleelellelleeeleeeeeeeeeeeeeeeeeeeleeeeeeeleeleeeeelelleeelleeeleeeeeeeeeeeeeeeeeeleeeeeeeleeeeeellleeeeeeleleeeeeeleeeleeeeeeeeeeeeeeleeeeleeeeeeeeeeeeeellleleeeeeeeeeeelleleeeeeleleeleleeeeeeeeeeleeleeelelelleeeeeeleeeleeeeeeeeeeelleeeeeeeeeeeleeeeeleeeeleleeeeeeeellee...

output:

anwwzydgsgeaxgiaertejmxxudxcxeaeegyvertppdvrdzfksvijdayieapbbgaceyfebbbirkahxckchxvrbebwkwawkwffdrafprsghjdkbckgxrwpbkvxnhbjgkkikakjgvicihdwrnbtatpkrrdrftpceuboanckirrkadabpkbghxxihkcagspciscpxxousgwbdhynwdxshcicadawgayxygnbtgkmhrxnfjrootkjbrxbyogoojsidbhnordovpvvptbuomajjxtbstntxffimdmsmhxsvpkhntjp...

result:

ok 

Test #15:

score: 0
Accepted
time: 8ms
memory: 4556kb

input:

26 500
dddddddddddkddddddddddddddddddddkdddddkddddddddkddddkddddddkddddddddkdddkddddddddddddddddddddddddddddddddddkdddddddddkdkddddddddddddddddddddddddddkdddddddddddkdkkkddddddddddddddddddddkddkddddddddddddddddddddddddddddddddddddddddddddddkdddddddddddddddddkdkdddkddkdddkddddddkdddddddddddddkddddddd...

output:

jnjcyaxvcfiqncbrbhwifbjbcrmjvvfbsxnfcidjbbjbbyysxhiasrebchnbhjnuhcubshtndhpeiuvtjhmrjfnelyepxemtmtfeethicttdttcanxwhadlsvctemetayueenxucefhgjvtjvpqrrqwwvqtiquqidddcxwimewegtpnihipfppzdpgdirnrrpfrffffmrfqcjhpjicrfgaghgftnrmeffttpjmgjcdqtxcaqjnfmcgxvcxtdqshamdvnszamdjxeigmqcmlhwunpzcamasamfnmpsfswsthc...

result:

ok 

Test #16:

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

input:

2 1
s B

output:

a

result:

ok 

Test #17:

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

input:

5 3
idn BBY
mvh BBB
cva BBG
you BBB

output:

nna

result:

ok 

Test #18:

score: 0
Accepted
time: 1ms
memory: 3800kb

input:

3 2
jt BB
bg BB

output:

aa

result:

ok 

Test #19:

score: 0
Accepted
time: 1ms
memory: 3804kb

input:

4 8
jzhqnmbc BBBBBBBY
quubxmwq BBBBYBBB
zkmtxamf BBBYYBBB

output:

ctxcccct

result:

ok 

Test #20:

score: 0
Accepted
time: 1ms
memory: 3772kb

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: 3880kb

input:

13 78
imwrldcrlcooqlzmcczciijjughombdengtcurojkwqyuoqltmduvwebvyysshwjythllxhrwmcepz YYYYYYYYYYYYYYYYYBYBYYYYYYYYYYBYBYYBBYBYGYYYBBYBGBBBYYYBBYYYYYBGBYYBBYYYBBBYYY
pkcwlbnthqplkuohoonvnqbouaakqdpwsyoscpqagkfhfpualsnonjnkkdtudoyvknpjgyhaqoxwak YYYYYYBYYYYYYYYYYYBYBYBBBBBBYYYYYYBYYBYBYBYYYBBBYBBBBYBBB...

output:

ocffjgrjrgbkhhhjjlmzllommvphtqzquppzqsxzkxyzoywetiewecsdweeeqizjtiiierrttciiey

result:

ok 

Test #22:

score: 0
Accepted
time: 2ms
memory: 3888kb

input:

38 99
veadnsajqcnbynqxawytaccryhlefhbhusmjhplsemwsagxkiryxfwrsarpmhsrpikievjpafqszuqklxetizrtlwxzxyelalsr YYYYYBYYYGYYYYYYGYYYYYYBYYYYYYYYYBYYBGYBYYYBYYYYGBGBYYBBYBYYBBBYYBYYYGYBYYBYYYBBBYYGYBYBYBYBBBBBBBB
njkybjdzyrkufafkessouzzsbkyimahkltsqqpngkgghqodbebxahavilwxmbmkqkucahpokaktlylhnmyjyxwbmrqhepj...

output:

opuejvbafcomuywvadnulktqwejvzqybpwebcpgegcfpnmnnimytxztcoqgvpuzgaihzejzxvnptlijyacziataqghhtcqwfjdz

result:

ok 

Test #23:

score: 0
Accepted
time: 3ms
memory: 3992kb

input:

4 113
suwodmkfmlkafcxpdgicvnrluhqkmulfirwtawvjxzzufmxruiiezmyebjlpxkzujfxjosfdqlbwfqtyripgsshmclhmtsosukwlgnzqvtbygnlau YYYYYYYYYYYYYYYYYYYYYYYYYYYYYBYYYYYYYYYYYYBBYGYYBYYYBBYGYYGYYYGBYBBBYYBYYYYYGYYYBYYYBBBBYYBBYBYBBYYBYYBBYYYYYYBYB
qpizotexiviavifrwmnhmqgxvxdueohjcyrzsinuuuhpbknejcjupvqhtnlsssylqg...

output:

bbibbhiiffffijiijjlllllmmmdnnnqqqssrrrttttuxumzxxxaaacceccldddzeeeeekggggkkkfkoooovogpppppvvvvvvwwywwwyyaaaaaaaca

result:

ok 

Test #24:

score: 0
Accepted
time: 5ms
memory: 4416kb

input:

102 377
gocqhgzrtqkevpckmjqhgbhpxtoliiukyxibpizzagbxroteetcwzpgzybsaxrhvudaxrrzjhisrbumzvaaaokwzpekgczhkbjqlgrdijvecheemmcoieoyhsyhooaxzmronnoovfdwelqbhlrqovoiubzbdixkvzujlsadyysnxcmvcxcsayqjyidlignyemacoyyuwjvpkitgsyjuzjyjtgxzamytxssxbocvprlhksvhegfjuldompxslryoubylyxzaospsxecpctamowqxxngbjtvoskmhv...

output:

fzhbpvvtfsjzghjjvoanwlhesznrmaqdkvrmnkxxcuaxtenfaqpctuywoclxzlgiscpcylgmjmtltvcjmmohwaiihbsonoraefpauuszkmewlodhhorizaizitonwailoikleknwtlngirnvxeujutmnszyjltnniospmismtvvtnltapcyfmjwhhabewciomfutgmqufzdvregkfbllubjmwxvqjiaoicgvslnzmcykvxszfjqevigtekrfbmcihthffbubmertrhniybzfxpjdpyejmvnmyvzyribcyhkw...

result:

ok 

Test #25:

score: 0
Accepted
time: 5ms
memory: 4376kb

input:

84 372
esizksnrmnyidougizdjmkksweafwdywugqdkisbdjaxfjghvoiwxhsmntnkyrimjajlspiqfomzyvpxdpispoveqzrcpfyntfxpcllewbdftkcwpjodchqeyfavuainqvggspnirpjpdcdcljmwzfkbrzleubsvxoeyzwzmmkrbiujgtcwpkeqtenikfnwqspnahiqwdxarppclogyrdpmqwuhqrdhgjfvjxifuksfhpkxjbmywimtettgrtgexekpaacpvtgorcljdnodtdudsatgszvvkpxkhh...

output:

priirafhcttvbcwmukqupwazyrzdryqixzkfnnamuzjifxtwhryteowgwdtrygfvyaxpjzvolkimwxfqpqzevqjmhzezhvtzyowazevweuzictoaxwabyiknexmxymtqvfcvysakdlegsotvhbzrrfcimfazueugoqtrdbcqrkxdtqatexonjtkeargeblphfcxscjdcaqzatcdksezpuwgvunnyymffvdfdpwrhfmvpawqoafeujyguhlelzcfuhnmgqrsxxzfeaxpyvtjxthrqevetoixfmdmzjvkwxixn...

result:

ok 

Test #26:

score: 0
Accepted
time: 2ms
memory: 4388kb

input:

120 341
qddkzllppvsamvuytcyvfmcgdsowlmasqwecvmbfkfgbmiluxdghcvyfiyynhobehlxsoslwjoxkkjmmcjjyjhuntirpeszmmsfcdduerkrzasnxsczqzcyunsqaalvjkkdrksdjhgojrkljxzflsdljjlbjrhjhhblrqhgtljjieelickdyszvkcskljuykzcpeuttphlonwanfndlkqcbgkjvocnwugyyxxbaccwpyrmyaapkciubysrjvemksuamhojymppamhhvvockwocvvjdmmssedjuzn...

output:

tnraljmrauiwhqddhuqxevuwjktugbqedadidsxnduvdoawjznplzlwxkgvfwyrcvyvkcliahpquktdvezcoeoxlmjrflyvrvynqmchlgbxnhxxlmdqdnsugabizimrirmzwdyewmjojiaifcbbrkivmfjuynkrwmctmonrblnataybzyyynwojbqozhdbpyxejgrdsknwzulbicasbwdjmwylxjawtrhgawavmilelwmoomtvlohtdsorjlixtcfedwfabomegtndzvhhfyizcnhiacpvicuwrkmiccrwdk...

result:

ok 

Test #27:

score: 0
Accepted
time: 23ms
memory: 5364kb

input:

500 500
uzkbwmwxenfvjjmbfpvgdgkfcrtjgftkcsdhgxlqcqyrtzqggauozihovqxyepxlqsndunqfvrwqhjszvzmttihgcwvyxugzbkxjwfqvvpakmrkohzrutlbfludsfkzmjrzkqsnstnxnlieshrqfqqfgttcsdinuvqzyueqhhtknnbnhstvabfyfpwszpkwvfzjlfnzgnlzzdeqcemnvcrbbxytfhajyvmaxfmczviyqafmkwmmrelmpmzcbwjltbejfuyizjyggmhkgmuhjijtsrfwzmmmkqieh...

output:

xtkupmikoalqczppaqstzuiezbugnmrfezofiejbxedkwmhldzkqactqmmcsuwmjddllfifimjtratgnnerahiklscixwmfrciloflzwalrxbtfglaouusctqbsevtkhaqtcqqothbasjyihutvpkdgaweyploaqfzsuqjotuxviounxiapvtcfovxyeutvfmgvhyzrcilfuxnappehaifxawqghytxvrylxyxuxkzqmoprdphfgaidifgmdfyvzyzvaxlzxfqbithwwglczjhxuoobaxsotlgfhkdauudoi...

result:

ok 

Test #28:

score: 0
Accepted
time: 30ms
memory: 4460kb

input:

2 500
cjvtcyhtzxnkypncxcydztkdxkosxdtlxzaetauygumxwzgkqittrtirkgnjuwanpdokgrbvwwlxxmivnzgnfelcxzmggmfwrtuexpxxyxuniivgwiykbzhnfbhgtoizuumgvoazbkcgzyhtamdsnnuejfwgmgbffdpnaeulrjfiflxrfqmkxkqkfwqcylsieetenjwbgmzewvgownfiylsvjzijpgrdfozciarqzqckecrwevmdtilipcerlcmbvogajnlfiwwcfurfxgtwbavfogarxcovbrwvlo...

output:

eeeeeyeeeeeefpffffffffffffffffggggggggggigggggigggggggkiiiiiiiiiiiiikkkkkkkkkkkkkkntnnnnnnnnnnnnnntttttttttttittttttttuuuuuuuuuuvvugwvvvvvvvvvvvvvwwwwwwwwywwwwwwwpwyyyyyjyyyyyyyyyyyyyyyyaaaaaaaaaaaaaaaaabbbbbbbbbblbbjbbbbbbccccdcccczcdccdccccccciccddddddddhhhhjhhhhhhhjjjjjjjjjlllllllllllllllmlmmmmmm...

result:

ok 

Test #29:

score: 0
Accepted
time: 12ms
memory: 4296kb

input:

10 500
ltzpvgzioqzjaorwvcfawsuxrpiaxelpvjvbzkmhmukkanhddeuwnwfbqeiccwqiqsntudhfrrxrwjmphcocxtzbljjcdjmksdvnoklkzvljhmyxsjgzsmuezdeieobpeojmxphuhbkxuqvtokknihunzjztuhuqurethoyiiamwzqppwuiljeygsrclivocqngmwgqeghfwtwunuyvcxcjjufbxwhmijurlgodhscoalsqbdxnizkkjtmqfaynndanjjfzldqukrpmqnsynrvoncnqymegdgvvga...

output:

wzwcwwbgobkcbabavaabbaabxckbkbbbbcbccwvcdccdcrhecccedcddqdedkuddfdddeemieeefgaepvrgfzefefgfvgbgffdghfgfxgffgphggshhgigghkohjhzhhhihhqiiiisjioqjjiinjjiikijibdibighikkkklkmllkkwmlmymllllmmlmmqtllmnnzlmmmnmmmmmommomnmnmnnnnoobnnnonoanngopplssbporlqoovuooyxzokpgxddpoorwosinpkpqpqppanpzplkpbipqppsrpqpjap...

result:

ok 

Test #30:

score: 0
Accepted
time: 8ms
memory: 4492kb

input:

20 500
gidefqbkbebgnvcgrjfmkuqtipyqlpvrjndoddvuhkntkznjdkfvggaoavkllvbigfvdafoxziprpozvhukhwheyasblhleoxfxwwruvsilcdrttxcbqfnvplqtemgsoftmsnzrgaikbqmyrbykhtpbmrfpgvjiqszkdapksfhbdkmdawcgonddqgzasjtvrjbgkfwxyopyxhprkrsaoxfblohlqyeenggeusnfvgkxalqzhziuckhyhhmefhjpvfjzolfowjvjeklnxgmymaubfcuineyiuzlzpb...

output:

zmeablholoanhlahaskmbegaavbfzcoaccdafeiufeccgtoncwvmucefpcebeygmelrfofhhhctmfmhgbigeuqfffvgggwghhujzwgbniggzfujahgghhhqlwjhuhihivkggahkkyjzwhgtnbliinisvjhtakhjiivzjckhggzikijimikaifbsfkfipijwlnojkjpsakjlmmlwrlnlfrxezkknmmknbklwmklrkisxlkegommpwlmnkclnnmhbmpmhxmogjqqmdnnszzecnpljqnnykoqufaoolrjrzoybh...

result:

ok 

Test #31:

score: 0
Accepted
time: 0ms
memory: 4572kb

input:

40 500
hgrkbariyienlarbtwpgttrlmwgdwjisgwtuelybkqyzibmerddzhxpkrikkdglakynfmvzntqkldilwlredsuwiyhvfmdfymethhuqztlwzlsjsoznrcemnwutebgioqndeywylttipnfkjzwrykcsmyeruqzryjuhcyirlakfmzwyjlisxtpdibravckhsunbfdczcfjcdnjcdkhqticcslsqmbldpvatkvnlgcnjzzpsjgoxbdqaqogdiqwngjjyaxcurpfcotfthvlhnyqvkxalealplywzbj...

output:

zdipaunsvfbbkgwbcjgjdivgeryignfecegqncudywqrmgvrokvcyaeecgvhjdxypqliggpowetgkhefsbyyubqdlzbhupeegfhkdrzuukyevtbmowkxhmafbgsyshaxqifuxjzicqxkhoejcxslkxfuboqwhaxgblniakqgfobotjiizupkmgmlmaczeaqvaqmfdomzjmlztjfiinugnjciiqovnlhmmjcdqoubzvwenibmoamdruknmipvmqjjgwbzavwztlqkuyjsjyvpxqluxwmuflqilbkflrepekyt...

result:

ok 

Test #32:

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

input:

2 10
dkzttcuhkf BYBYBYBBBB

output:

ctccckcccc

result:

ok 

Test #33:

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

input:

4 10
hzyqaqgudo YBYBYBBYBY
drzekuoozp BBBBBYYBBB
ydmoszopir YBBYBBBBBB

output:

oahuyaaaaa

result:

ok 

Test #34:

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

input:

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

output:

qgtycfcrcv

result:

ok 

Test #35:

score: 0
Accepted
time: 1ms
memory: 3836kb

input:

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

output:

ezcfpiknqc

result:

ok 

Test #36:

score: 0
Accepted
time: 1ms
memory: 3808kb

input:

2 20
gvmxjisdtqdzqlcythxc BYBBBBBBYBBBBYBYYYBB

output:

hlttvyhhhhhhhhhhhlhh

result:

ok 

Test #37:

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

input:

4 20
juwgnsochomtjjrwkxzx BBYBBYYBYYYYBBYBBYBB
xcfresnspwhbnpufpzut YBYYYYBBBYYYBBBBBBBY
nicdnycdwkcwxkzlexij BYBYBYBBYBBBYBBBYBBB

output:

dfiswxbemhoortybbbbb

result:

ok 

Test #38:

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

input:

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

output:

hegmonwrzaadjjpsuvaa

result:

ok 

Test #39:

score: 0
Accepted
time: 1ms
memory: 3864kb

input:

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

output:

abdeicknpqwzhrztruuy

result:

ok 

Test #40:

score: 0
Accepted
time: 30ms
memory: 4380kb

input:

2 500
gxnlcmqfsmxkzleyreubambwtiyuisiplwrjastyivijshzmfuyjqbqwmtiixxwivmqxpbuboruzaaapaxrllfbonnouzwmjuouvzcoyxytfxmhtfcvsbjvnltirhojtxhtdiqasoajfhrcinjrkzstidvhhdwynweaacmuhctyzeelatwnropiqifxsgxntfycvjrhwpmzeytliurapssrixkjndjzwtjonqzmhhtqyqjacafxkwfrnvjyjcswxrkmhstxgrdaxacuqiqtmdwuiuwzjjekzsaycgc...

output:

cccciccccccccccccciiiiiiijiijijiiiiiiijjjjjojjjjjjjooooooooooooqqqrqqqqqqqqqqqqqqqqrrrrrrrrrrrrssssssssssssssssssttttttttatttttattattttaabaaaaaaaaaaaaaaaaaaaaabbbbbbbbbbbbbbbbdddddddddddddddeeeeeeeeeeeeefffffffffffffffgggggggggghhhkkhhhhhhhhhhhhhhhkkkkkkkkklkkkkkkkkllllllllllllmmmmmmmmmmmmmmmmmmmmmm...

result:

ok 

Test #41:

score: 0
Accepted
time: 27ms
memory: 4468kb

input:

7 500
kucxpooswpgshqxdswdpxnonzujecioriraskzligwznnduirvonmjmozyxkotblntnzmsgacdjxsrelfbcwhffnqsshpdnuiyvekpkkzhfqadrnhymofwpahuefzyauxunwxjsexozlkauixivyrdrckaxiicawzsvqshnexswpqlnwpfwqxfsqjgefxylqizfouiqmbtkxrjcdpjfhetrphazpatrwkbikmswrsjmuvlmkuhfvzvfpqawtkgtmykusaspvinyqteptvvfgynrehmekerkbpgcbgf...

output:

bbaaaaabaaaaaaabaaabcbbbbbbbbbbbccccccccdccccccccccccfdddddfdddgdgfdddddfgdfffffhffffggffggghgggggghhgggggghihhhjhihihihjhhhhhiiiiiiiijiiijiiiikijjjjjjjjkkjjjkkmkkkmkkkmkkkmkkkkkmmmkmknommmmmnmmmnmmmnmmmmmnonnonnnnnnnooooooooooopooooopppppppprpprrrprppsppppprrrrrrvrrrsrrrrrrrrrsssssssusssssssssssvss...

result:

ok 

Test #42:

score: 0
Accepted
time: 26ms
memory: 4472kb

input:

8 500
zsuejmayajrezxaeoppddvtufobaqqrnadgiydzodggiskvrvfyassjbdhbufhmxctpfdqvhykrkqjjltksstdnskjfspencdneizkxxtfdheyhvmnsjdbrjusilipmplxvnfxthruxwdukolyqivyaufoewysvppuqdcdmvwdwgtaqejnfmgtylhgrfcjqagvotoosbisnibzntaetxvemftcocguvgindrppzlooryrqicloefmktmimfqyxlletbymenpljkjybhyfuahardknwfejcojkxyzsl...

output:

aadbaababaaabadaaaaaaaaabbdbdbbddbbbbfbbbddddedddddeefefhfeeeeeeeeeeeeeeeheeefffhfffffffffhfffhhiihhhiihhhiijijiiiikiiiiiijijjijjkjjkjjkjkkkklllkkkkkklkkkkkkkkklllllmllmllmmllolqmooommmmmmmmmooosoqqoooooooqoqqowsqqooqtssqsqqqqqqqtqqwtsttsssssssstvssstttttvtvtvwvvvvvwvvwvwvvvvvvwwvxwwxxwywwxxwxwwxwxw...

result:

ok 

Test #43:

score: 0
Accepted
time: 21ms
memory: 4560kb

input:

10 500
fwpisiecngmypltgnpgwungiorybsqujrjynxduhbxkzzcpmprjkmcngffwriwlauogonaytiewzmvhmfkbqzbhvbuzaxgmrzwhznemrkgkqcfcxznjgqfxvivnzxkttungprndxzumatgitszsuhxrbxiyblepjljdwccbmodtyikdewbqekqnyrdpveilrjuidvbxmidaudrahboegnxxojlllcijvhewxbqhckkdisyyoieqnybydwpyiupduxdxdcbsiflmqomhorvpximunuvgeqrpojynfz...

output:

xaxaxbxbxxaababbdbbdbadaeadddaeadaadahdedddhehegeeegeeeeeeeeeegeegigggggggggggigghhhihihhhhihikiiiiiiiiiimommkmkkmkmmkmkkkkkmnkkkmkkkkkkmkokmmmmmmnnmmoommnnnnoonnnnnnonnnonqnnnnnpooooooooqpsqppppppppppqppqtpqpqqpqptqqqqrqqqqqqsrsrrsrrrrrrrrrrrrrsrsssssttssssssssvstssssstsststuttttttttttvvuvvuuuuwuuw...

result:

ok 

Test #44:

score: 0
Accepted
time: 13ms
memory: 4492kb

input:

50 500
rzxpevxmcsvfyfmnmokxtsjtkisntufznueipsounknjbdgoieqoeobnfuncfrokfgdsdujxvtluensnrnyosfsywmltfikmpgofyyutxgxltspvwnqnfvgeolxirwbvvwgwwbxbwbbswrefaklrdmdlzgxpltvbucwfgrpggpobkapydjkzbgfarvqfzssyeepxzesalnpbnuastjecnatiljloelrojistoqxxrwdiehnwbubijlcsgserxmlbbchlhqlndtvmbaztvhspfxdyfuodupczzusgi...

output:

ynwdomwynzjwiwzcfxyahvbxzchcipqvzdhaaatcbajzdxdzxacbddchqcapybjcikemazayhbdbaafaacobradgybozazefymzecaghdclcicadgcgeaaezehlsgekfezdeogegejjhghihzcugckfigdektdgdefhriegjrfikghekfezimokkkehlhffvyjfpknkrjgfhhjlfnhskjzqpsmzfinitlnijpklikiknniinivnjiijojmyowusknnorstkzqpmjtolltvmtmeokpmkmkmolmmoporvpkkqk...

result:

ok 

Test #45:

score: 0
Accepted
time: 13ms
memory: 4864kb

input:

160 500
hayqlkswaloyrwgikgdxyqsorgjgsohxuyrlfdgptnogrfzfrcmkhyvnpohpgtjhhlalckgubhvbbtinzpykjfayxwqctbmbjdtguonvdihewfxphkfngblmtlxiidbpxnxeiswxfrvbflvisrvxkqqeqzinhgobjfbxhbtfageuinrzyqzhrsqttlmfxgqsdaxkyiajiitwnxnlqggrncbzwrzhtctcunpkhdlqkqtkyfvcuwqftujpufwgeqkrzdfngmshdiwhobeieunukpjgvbdwhjtkaccm...

output:

mjpyvrzpguatqaxutfeenauznkxsfgqfrfdaoydwqimxssimpofnqfailvbgkmearxhgxjvtluftknckiwaeyuedbogewrnlfyzatjgtgrpvjnehxhvwkcydnkwnvxgbifqobxxchmltkwyqpgaanlyunugwtxmayycilokxdtzhcwgpmleawmsvacdywnpnpevqwpkyssvakkmpmslqmgucrzrqoufaausspnahpwkcvrfxhbwcccsbnntbfpstmaesxspfwtseyluftmrkcmifuofjnnhmwfrbveoudsgx...

result:

ok 

Test #46:

score: 0
Accepted
time: 1ms
memory: 3804kb

input:

3 2
qf GB
fq BG

output:

qq

result:

ok 

Test #47:

score: 0
Accepted
time: 1ms
memory: 3808kb

input:

2 25
mzopyxgqdtsjvueklciwbrhna BBBBBBBBBBBBBBBBBBBBBBBBB

output:

fffffffffffffffffffffffff

result:

ok 

Test #48:

score: 0
Accepted
time: 0ms
memory: 3800kb

input:

2 25
jagfzkndilpxwsbrqytcvuhem BBBBBBBBBBBBBBBBBBBBBBBBB

output:

ooooooooooooooooooooooooo

result:

ok 

Test #49:

score: 0
Accepted
time: 2ms
memory: 3876kb

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: 1ms
memory: 3800kb

input:

2 20
ynjmhdwofqxsaubvlktc BBBBBBBBBBBBBBBBBBBB

output:

eeeeeeeeeeeeeeeeeeee

result:

ok 

Test #51:

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

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: 1ms
memory: 3712kb

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: 3796kb

input:

3 3
abc GBY
daf BYB

output:

aca

result:

ok 

Test #54:

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

input:

3 3
abc GBY
daf YYB

output:

acd

result:

ok 

Test #55:

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

input:

4 4
bcda YYYY
cdab YYYY
dabc YYYY

output:

abcd

result:

ok 

Test #56:

score: 0
Accepted
time: 1ms
memory: 3800kb

input:

2 4
aabb YBBB

output:

ccac

result:

ok 

Test #57:

score: 0
Accepted
time: 1ms
memory: 3768kb

input:

2 14
welcometonwerc GGGGGGGGGGGGGG

output:

welcometonwerc

result:

ok 

Test #58:

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

input:

2 10
aaaaaaaaab YBBBBBBBBY

output:

bbbbbbbbba

result:

ok 

Test #59:

score: 0
Accepted
time: 0ms
memory: 3804kb

input:

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

output:

inobtamieltonrthrouowapimimfpomxyiplemsi

result:

ok 

Test #60:

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

input:

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

output:

inoptomiyationthezrp

result:

ok 

Test #61:

score: 0
Accepted
time: 1ms
memory: 3748kb

input:

2 10
mympqinaqs YYYYYYYYYY

output:

ainmmpqqsy

result:

ok 

Test #62:

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

input:

5 10
yoqojkyfrq YYYYYYYYYY
yoqyroqfkj YYYYYYYYYY
oqyykoqrjf YYYYYYYYYY
rqkjyqooyf YYYYYYYYYY

output:

fyokorjqqy

result:

ok 

Test #63:

score: 0
Accepted
time: 1ms
memory: 3804kb

input:

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

output:

yrovwpxcgr

result:

ok 

Test #64:

score: 0
Accepted
time: 1ms
memory: 3784kb

input:

2 20
lfyzddchsnrcfbfhpxkh YYYYYYYYYYYYYYYYYYYY

output:

bccdffdfhhhklnprsyxz

result:

ok 

Test #65:

score: 0
Accepted
time: 1ms
memory: 3792kb

input:

5 20
bhczdehumywygnhaeeka YYYYYYYYYYYYYYYYYYYY
ezgwuhykcbaehyhednam YYYYYYYYYYYYYYYYYYYY
kdzyancbeuyhhmghaeew YYYYYYYYYYYYYYYYYYYY
emhkzewgdhbhnyauacey YYYYYYYYYYYYYYYYYYYY

output:

aabcedeegkhmuhnwhyyz

result:

ok 

Test #66:

score: 0
Accepted
time: 1ms
memory: 3824kb

input:

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

output:

zeickchpyynruvpwoozw

result:

ok 

Test #67:

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

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: 3948kb

input:

2 200
kjgxibzaqovyhfahtzepmneqlrtyqskqjclybnijqdnnaqjwqpcdyhqcivkhiamwnnnrekynlwdhhtwoluuxuivncktinkkmgnavexykunaefwtdtccjdvnjrsshktuiqmugothxrrkrxfbzhzawqdvcnjwfbemdjwmsozfyialxnxbqhndzyhoskwmuamcdsrzxttte YYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYY...

output:

zaaaaaabaabbbbccccccccdddddddddeeeeeeefffffggghhhhhhhihhhhiijiiiiijjjjjjjkkkkkkkkkkklllllmmmmmmnmmnnnnnnnonnnnnnnnooooppqqqqqqqqrqqqrrrrssrsrssstttttttttttuuuuuuuvvvvvvwwwwwwwwwxxxxxxxxyyyyyyyyzazzzzz

result:

ok 

Test #69:

score: 0
Accepted
time: 6ms
memory: 3992kb

input:

5 200
sfcjckdgmwmnnlqezqgivfbrgkwmqronyyojlpqwajmjmgjhtlnsjcmsysflrpmrluakngchrsuncwwbqmlpavprqyvhwplrtqhxpzgtxixarzjsvrfquqemtgfryynowgowzyiyxxjarzfaevasxohhqwsleahueveixdjlybnsxnsbtufoiihtstlhczsczzazjwou YYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYY...

output:

zzzaaaaaaczzbbccccccddeeeeeefffffffggggghggghhhihhhhhiiiiijkjjjjjjjljjkkmlllllllmlmlmnmmmmmnnnnnnnnoqooooooppppppqqrqrqrqqqqqrrrrrrrrssssststsssstststtutuuuuuvvwwvvvvwwwwxwywwwxxxxxxxyayyyyyyyaabbzzzz

result:

ok 

Test #70:

score: 0
Accepted
time: 5ms
memory: 4012kb

input:

20 200
krxqaxppwikekhvmjispucbtwyennwxkqsvjhwpvcvtqgemfpnvsjoppwvqbyslciwosyqjircnsrpmicagujcstajnwuztjpyjxrwbjpelhukuwynyfjhfoxerfvnotzxgqrrckgsjbtnfmhjtpqcteosfpfjgesbwrxvrtdxhrnrdzlnlnivfwrsxkpvsqkwuyfqgh YYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYY...

output:

aawzcbbbdbdccecgceecceceefgeghffgfhfggfhfffhhhkjhlikiiikliilklnkmmnumomojnjookopkpjknpnrjqjjpjpnqnnjjnpprjjjrnpntrqpqqupsqpsqqtppqstubtsurrsrrurusrrxtrswtwvvstststvyyvsvwxsvwvvwwyvyyvxyxwxxxwxwaxwyzzw

result:

ok 

Test #71:

score: 0
Accepted
time: 30ms
memory: 4484kb

input:

2 500
blgymzrpzujbijgjxyuadmopdmktpzaovnuecztkbzxgzyvisyljaevyfufxyhyqiqdueuswizdfbebeofpeixebkcoylfbfnbckcmafvwcppobihsmxnvhrsacfeozhlqloqithcbvguyslmdqksinnirkziaicjfrpxhceqgxsbiowjixmoflvtvuquoidzfpusisagkefodwcsvqdwvnfhfygrrobkelcsxdaoddqtmvgxkhnouoqizqwvvudriluplgazarubzbsomyqcaycjjwmyqsmabeisi...

output:

aaaaaaaaaaaaaaaaaaabaabbbbbbbbbbbbbbbbbbcbccccccccccccccccccccddddedddddddeddddddddddddeeeeeeeeeeeeeeeeeeefffffffffffffffffgfgggggggggggggghggggghhhhhhhhhhhhhhiiiiiiiiiiiiiijiiijiiiiiiiiiiiijiijjjjjjjjjjjjjjjjjjkkkkkkkkkkkkklkmllllllllllllllmmmmmmmmmmmmmmmmmmnnnnnnnnnnooopooooooooooooooooooooooppppp...

result:

ok 

Test #72:

score: 0
Accepted
time: 31ms
memory: 4380kb

input:

3 500
fndjpiklrigzxvhtgavgqxjhgclbcusixstqcvopskxdxeaksfcfrlkzdsqjddqnijuqqmxzafjbljcqivkozdwwyjzysrkkpxrymnuavmcjemoiaayfnldynfkjgzzlcywayfwtlcaicnawiagrmlhwrjcdvxrbxavfjqwkejfaahukajyupcyulvnbpqewqooacxbryistjptowptrpiclmkgdpnchtrgijujimyloxgxpxqqhhnidbeiasewjkydmpkecplkxlsyzbsyheqeigyyyujupwdjqzg...

output:

aaaaaaaaaaaaaaaaabbaaaaaaabcdbbbbbbcbbbbbbccccccccdccccceccceeddddddddddddddddddeeeeeeeeeeeeeeffgfffffffffffffffggggggghgggghggggggggghhhhhhhhhhhhiiiiijiiiiiiiiiiiiiiiiiijjjjjjjkkjjjjkjjjjjjjjjjjkkkkkkkkklkkkkkkkkklmlllllllllllllllllmmlllmmmmmmmmmmmmnnnnnnonnnnnnnnnnnnnoooooooooooooopppqppqppppppppp...

result:

ok 

Test #73:

score: 0
Accepted
time: 26ms
memory: 4508kb

input:

10 500
bupnuqzdcpbbxnmovthxvephnapgnxykdqpefrnsxlalrhtxogfxlpfrcxjmocibrokuejfvalrapnhvzuabrhjfdcnnnaygwtkgoenbewrtlzzdhxmzndkphodrcjbcyivsaxbugccvkqzbygufcpqljzopxafwzyxceegfdqtqqufvtptbllewhlraeotvtdiwnjnbkedfhsfpvrydnerajvkwidyhptbvtstjbwqucskqlecziliyqqrxvahlbahjzlxebblyfmjkxpuyitksjtqsxkmzatzur...

output:

yzyzaacaeacdacabaabacbaacbabaaaabbcaaabacbbaacbbcababbaabbccbdccbbbbbgcddecccdcccddeffedeedefddedededffeddedeededdeedegefeffffffgfhggffffgifffffghhiggggghggggghhhhhhkhjhihhihhhhhhiiiiiiijjiijkkjjjkkjjjljjjjljjjjjkkkkkkllklmkkkkkkkllllmllmlmmllllmllmllllllnnnnnnonpnnnonnnnonooonnnponooooopoopppprpqpp...

result:

ok 

Test #74:

score: 0
Accepted
time: 12ms
memory: 4632kb

input:

80 500
dvbyutdpoihytugjpvxnzcreuwneaqokypvmieezkevfpngozhxowvwbavznhmbjosgnvskifmpbaflkoxivossyqaoxkvvioupzyygerlqpntmxkctrcodkogiqrvnhkczcdhbnvihopmchnnyayletjmvsflwdmozsgrwkqdijrjzrodqqadsnsmzulhumosmwmohoibrcqswjaohlzmjpjnwifwqunludixjhhupgettgefwzcvygiycdtrenhbydhaopdrzogaadrqwiqiogounuhozeifmox...

output:

tfnoqwjvelvevjhzbdsqvioypxgqczsezqctkhkypwrcghcicoiylhqzldbswiwviwiajcmbelzpfmagtdhoidejrvxalpdlwzocanhpbooifdqoihqfdkzukvjoniucflejigklikgkqsaolmeofjyrblombwiiycxotibmghhvhqoxzgvvokamoeybzceobyhsogyaftoqxyepphrivdgfwfggwdcqrweajznsqdesyhgdddyamtsagrjuhcfswrvkkqafhkjdrfoyigjfvvjpahcrxcoppqhthsgxwoyb...

result:

ok 

Test #75:

score: 0
Accepted
time: 21ms
memory: 5436kb

input:

500 500
dvbyutdpoihytugjpvxnzcreuwneaqokypvmieezkevfpngozhxowvwbavznhmbjosgnvskifmpbaflkoxivossyqaoxkvvioupzyygerlqpntmxkctrcodkogiqrvnhkczcdhbnvihopmchnnyayletjmvsflwdmozsgrwkqdijrjzrodqqadsnsmzulhumosmwmohoibrcqswjaohlzmjpjnwifwqunludixjhhupgettgefwzcvygiycdtrenhbydhaopdrzogaadrqwiqiogounuhozeifmo...

output:

tfeoqwjveqvevahzjdtqvooypagqdzsezqctrhbywwbsshcinoiymhqzqdbswiwvidiekcmselzpgmagtlhoidgjrdxmppnnfzonmshploaigdwoihvfduzxkvnoniucnvrxigpsikgkcskolvxofjyrblomkwiiyuxotibmghhwhqoxzgvvoqjmojjbzcxoejhvwidfvtoqxyepphrivngrwfggxdmqcwoaxcnsqdgsfheqbdymqutagrmuyclewsvkzqrfhmjdriozizefvvrpamrrxcofpqevwykehoyb...

result:

ok 

Test #76:

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

input:

2 20
xztanpyxqtcnpuzqqyoq BBBGBBBBBBGBBBBBBBBB

output:

aaaaaaaaaacaaaaaaaaa

result:

ok 

Test #77:

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

input:

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

output:

gdaaajaaaaaadmdlaaaa

result:

ok 

Test #78:

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

input:

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

output:

daafljaaamaacaagaaad

result:

ok 

Test #79:

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

input:

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

output:

leaadbhhkaaljabffffm

result:

ok 

Test #80:

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

input:

2 500
zxwpopwryvxwuszirrorrqtsnwrwuoonyqsruqtpvwtxmnzxtsrivsnttuxvzjsywsqspssqqvusyqoppwwzzzrwsxwowyznnnttxvgtrptuavzxotqqsuovspzzvxrvqqqvnpqnypeqqwyospooqnuzxtxypyutvoernuctyqzvqsdwpvuunrsypvzvuqqsvqqoxuuznqvvxusynpnuqwzrnosxqslunwvxooyzzsqrvzupyprkvqntnwwowxnsrtnsvszzsxsqysnnsrnwwwqzvyxowoinppbqxy...

output:

aaaaaaaaaaaaaaaiaaaaaaaaaaaaaaaaaaaaaaaaaaaamaaaaaaiaaaaaaaaajaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaagaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaeaaaaaaaaaaaaaaaaaaaaaaaeaaacaaaaaaadaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaalaaaaaaaaaaaaaaaaaaaakaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaiaaabaaaaaaaaa...

result:

ok 

Test #81:

score: 0
Accepted
time: 0ms
memory: 4208kb

input:

10 500
epjvurrwqwslokprtxxnoqpvozzqynewutfwopypqopcxvswnlwavyotqvzfovuvznzuttpztqtvnnysqzrpszbrtwxwvlzqzofwtwrprruwoqzruxunyszooyvzpfwoqrsurpzeozxwuznvvuyorztufnvvuuwxpzpxtusyzwpvwqvmxytssnqsupxxyoxrpqttwwwnkqyyzppuyxqodqsywlrunuxsorzorpqurwrvxqyqynxvoqtsyrvxzvnxzszpunupyqnopxrtprozwtvxzxwrnnnrspvwo...

output:

eajfmkamadalakaacaaafgebgaaaaaelaafalakaaefcaaaaalaaaaaaaamfaagajaagkmaaaaaaaafahagcdkbaaiaajlkaajfaecaaaejaleaacaicgfaaaaihdfakabfafkbeaaakalmaaakaaakafchaeaakagddajaaaaaaakamaaalafmgaaaalaadaaaaaaackafhkbdebaafdfalalafekgaeaaagaaalaaaaajaaalaaiaaagbaabdaaaaafafaahaaaaajkalajagdbaakaceaadaaaaaaaaaa...

result:

ok 

Test #82:

score: 0
Accepted
time: 0ms
memory: 4316kb

input:

15 500
zryswnworvevunwutuxmnzpbspdpqctwosopnwswrwvyyvptypvzqwzzcontrtooysryxxgvrquvnnfnvqetnourqrxbwywtoqwvtvzqhppsnyptroqtsoxwzrqryylrzntnssvtrqxrsnzpxvzxpqrusplhrftenrtsxvpvnpxuokwtzruqtzsryqnywowwurnyoztuwqtrpptysuqvrprpfovwepypwstvipnzgxgwrndvwonuwqwtxotpvxyywzzozwzwtnzozvtsoytxsnqywvarnpnooorps...

output:

fbjaiageadeaafaadbamgigbhddbacaaaakaalajmaaaaabeilahadaacmeljdijammmaagahafaabfaabecakiaaambaaffjaaaaeaahlaeabaagkgahaahacabgmlaciiiaaiifcaggiaajfhaakjfgelhmfaegbjaaafaaddaikaaiaahaaaaafggeabhfegehamlafmaabaacaddjgecfjccelkaaaaaiaaagagikadklamcejcjaaacaaajaafadaagaakmiceaglhamejbbaaeaaedaagccmfaaamj...

result:

ok 

Test #83:

score: 0
Accepted
time: 3ms
memory: 4380kb

input:

20 500
xzqwxnzjotrpypunovrukuwwzxynowyxywvvpnvtnozoqyaxpdorsvpyvvqpsoxrsxwrsnatxosrvuynpylrxvywwqmzqzppuvuytyqurgpwxynoqyrqxpuzytunxrnrrtowrpzuvyorvquopsuqquyrvvnzoupvqrvrdqnoszvxtqnvrxtpotxttuoozppwwysytonzyryntwntustoxqzvvpnsxrvswpxntrwnxtrczqqxtdwksqostroutslsrvyyxsqyywqpwwwuvqwulrspywrnbwnxqswxz...

output:

jcmacekjadahjdcajcadkaaamgkmflkkaghllfakdaacimaajdailgcaajaeagjafakaiaabamemcbbjcalglaacaamdkhggjhlbmafcggkeliijfahaaaalagkcadaaiadaamfafalkaaddhakahclhaikiaabaadccdmacjieaaejalgbeabaajhfjacjaeakalkdialiecaiaafdlmdfgeacagfacffdhcahaaaacmhdeadhkbkcghbhcaellhhbkilmaaaadaiaaajgalkhabgaabiahamaamladllbi...

result:

ok 

Test #84:

score: 0
Accepted
time: 6ms
memory: 4680kb

input:

100 500
xyretptvzrvrxtppxwtoqznyquonurrunoyxxxusttovzmhvuwtquvrvqdovpivrswrwxvstvstrqtywtwtktsqnfsspvrxorvtnovwtpprxncrprsuvsqruqznvsbtsnpszznujxzziwcwsrtfspsnuowypvvtqtpxwlnnxnpsirzspqplsrpqvxzxrrwpywnonrtmzqyrprzwvxuwvntsunuznowququzzntwqvonpvtxpntzqznswrzqwzrsjntzypsnfypvvounhxuqoysxoprwqyuovoxov...

output:

flkebccliaedgbhbadhlkhglfhfkaefkmdgjdhkdkfkdmmhekdellmiemdkacikbafmfgjgglihhjcbkgbfkhegcfmgbgjfgkmhgjbmhdjmfmckmfkmibjbcgkgmhbadafehijdjmbaidceiabfjmlfimfehgccgadfmlcdbkkfiebmdjflkfmcfijlidedkcgededmilldmidaaajchaidikekhdahflcjakgmghjfdfdcdeimkijcamdaahjgjkeagaklfilcjecjhglkcejbefafiffcmklifdbfllhba...

result:

ok 

Test #85:

score: 0
Accepted
time: 15ms
memory: 5464kb

input:

500 500
uynxusnuyztownaqulnzvqzstswqszvpsprsvytsvquwqntnusnxnnvhzhwazupswyyyrpvkpqqpqurtzyixswqxxswprtcqzrtxpxoutrsvtyqsxoyzuuttwtzwqiporzwpnurtpuvywzdyvqozlprvxqmyutqrswnvuzazoqzzwqsonxptownoywrqsrzhowotpupprzuttkvouxrxzzuosspwiwsghyxzourxwtsyorrqwwowxstcylzvpnwzrsqrspszyzptptquzwspyuoroossxqxrnrso...

output:

ccgfmibddhcmefadjlcmijidheabcmdikmcdfadhdieadkaiklfbhefhbhdaecjbcjdjglkkgklegfmlcmilhlaeckefelcahklhgggcddlfbilefbkebdcflfdkciffbgbdkcbhkjmjamdjmkbmlfbciemlhhfagifijjahhbhceijmbclimfbajmekcmchfellkalblelcgkhdigbagjdledjcifmghjagdjlkhcbhbjfcgcffjlfcelaejfbjdekdeckjlgkjdbabfgghkdkmfjibcikhbkmedjkfhelj...

result:

ok 

Test #86:

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

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: 3804kb

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: 3824kb

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: 2ms
memory: 4000kb

input:

14 100
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaabbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb YYBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBYBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB
ccccccccccccccccccccccccccccccccccccccccccccccccccddddddddddddddddddddddddddddddddddddddddd...

output:

qbdsdffefeehhokohwjnynnossumogpsiprttttiowvmvzzzwwapaedgxhjdizikklxftdkkfttxxzmmrmtlmorovtnlsuufluwy

result:

ok 

Test #90:

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

input:

5 20
fxyezqqsaxwjkmwdbcmz YBBYYYBBBGGBBYBYBYYB
cccccccccxwcczqmmdfe YBBBBBBBBGGBBYYYGYYY
dddddddddxwddezqmfcm BBBBBBGBBGGBBYYYGYYY
eeezeedeexweefeemmqc BBBGBBGGBGGBBYBBGYYY

output:

mfmzffdefxwffcffmqgf

result:

ok 

Test #91:

score: 0
Accepted
time: 0ms
memory: 3764kb

input:

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

output:

kxjdptwkkkkndprswbjl

result:

ok 

Test #92:

score: 0
Accepted
time: 1ms
memory: 3804kb

input:

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

output:

hgllrfqjhstmtivevjgv

result:

ok 

Test #93:

score: 0
Accepted
time: 1ms
memory: 3764kb

input:

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

output:

ipnrrojpakfpfdqjsudc

result:

ok 

Test #94:

score: 0
Accepted
time: 18ms
memory: 4636kb

input:

5 500
qnplnayaqcthgzrscaeffrjqhrnssuhmegcoitgfoztimbhediaxqwrcxvfabdgcszrewoenuesjalgbkfgetfnsucfxnrlvmnxwihsgnhadsgubjaglsxsjmyvofzsxpmintxsvyialuxxelmbirqhofndroyvkfxdntxdmvhboqypmxpewwevxfymbnvrxcsoutvmshadbjdgxswjdcviwlcjemdjnkeyudrhdqwhiqbtosjqfgseyerovvnhilpgodnfnpmznmypkbwyfzjsvobstnynyvdtedh...

output:

bbbbbzbbqbbibbccdccccccccccccecdddddddddddddadaaffffffffffgffffagggagggaaaaaeawvaaaaaaayaaeyxeesmveeseeeeeeezeeeeveeeeeeeyxoeeggggxhhhhhhhhhhhiiiiixiiiiiiisxiijvjvjjjjjxjjjjjjjjjmmmmmmumnmmmmmummmmnnnhnnnnngnnnnnryyyyryyydyqyyktyyyyyyyyqkkkkkqktktkkllkklllpqlqlnlrplllllqookooooooqoopqoooodqqoqqqqppp...

result:

ok 

Test #95:

score: 0
Accepted
time: 13ms
memory: 4308kb

input:

10 500
jncrnalnwtivhccjacwevrondacihuksbxcfzraslpdykexafbpxtxwdywjdxoxftifjlhsputwfznboqhgahcuxppyxiqfhuzunswiddtfjohaghympeqadrxijhfoouqpacfgkjnsturviadtwybnryakwkdmtmqqhmkmxziauaacvqebrhiuxnxzpnykmzidwrepmwqclynwfammeafyanrizsihsutuaeyxxpqwhisxznckmggtbmjpqwbcxgxvrdtbujqebrhoqekispgdiyqpiwodkixesj...

output:

aaaaabaaaaaalcgjakaaeayaocdccecskldcgbccbpccbccccczddddfjdtpddddffgfffeyfeeepeeeyebsebubbpesbbbbebeevbbyfbbbrbbwbzifffffggguygogggggvghgghhhuusshshhhthiioiiuiximwiwuijujjajjjwjjjtjjjskwktokklkkruvkkkktuswkxllmlplmllpllwflllswlmmmqtmmmoooonwoonnommnsoioklrmsmoonnqnjnnoosrqissqsgsmssmsswwqcqgonlqqnocq...

result:

ok 

Test #96:

score: 0
Accepted
time: 4ms
memory: 4476kb

input:

22 500
gektomdzdkkeqsukkkjxppgwmeqldbovakxqbvdgarmqqowxvljdsmantqgcjppfcrcfhibtbhaxgaacxavpjzrkttzvvuyvrvainfgzytcowfzmjgsqbfhmqpnnksxfzddpjvunkphzpghkqtjvrtwaokjovhftfxyvzjyarskrjaiotntdyjakoqcfjkjzysvrqkrcenbykrwsacfylkhrwxxbfdmpaoegezxppsertmxynyffrodszzojlbqittjsglekbkytierwmbposhebqjzpvkxgxihrs...

output:

muubpxuvtkmgyroafqnjjndxahpfovfrzyflqsvgvkoeaxecogjnwgyqfruvpyofgaktrgtnpkpgnfmblyutewednvcmynjvearhynguvftcvylfqbgbzapghhwdfsghnkdriduqerzymretorcyedculwisspeqcsxchxhrazaiucelzbrjfpstrjuusavepgqkdqpevpdulzjnwcivmdjvkvdrdkcpmxwyqqlvlnqdfbjuhkdriazupzfghsrcxvfoohjoweqtpqvawreroflfzcizdcwzvqpsyhuatqhy...

result:

ok 

Test #97:

score: 0
Accepted
time: 6ms
memory: 4660kb

input:

80 500
rqbdmywktaijlbpcjblkmjvsztskxgpxgsqxfotxhbypeeeweorhksgtfrkstrhriwiyznnzyfclnmkqkabjqdrkoltoglioupjvfynemwvlqawrasffdukcamirncrdwkqwlxexnobtswlhtitcmemwpwnvlwgqrcloxcsjwnmqbefvytpdfwefpqgrggsztmybvotcwlzihwqtsrnxsoacsnambbidvohgjgqtbxnqoyjxwjwykbosssdipjmjveqsbxryvtuqwkyjsyeipwvzsrecugzregtay...

output:

hvlhtoafdfakdmwzdfeqzimhmphiqrsoucefcybyauxmdsqnygjaksbstemayxxydepymhzcpfvjotbumsjbyuoxssggqfhxcgovglnoduoktsntkadzehbqkidequkadtyncjrsrnulnwaaeethuqmziovrxmkwmkmbarmyblprtrsrtwiiyojxubpuzlniasjdxtefsfgjchoygezzamvdnlauxmgtjrwqmxrimwupyajkrunqvomzqdyqzvfioyqpbidvgjdngcjlqyrresceukckcaajlthlfmlxlopk...

result:

ok 

Test #98:

score: 0
Accepted
time: 0ms
memory: 3836kb

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:

qaqqaaaqqa

result:

ok 

Test #99:

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

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:

angraauaaa

result:

ok 

Test #100:

score: 0
Accepted
time: 1ms
memory: 3804kb

input:

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

output:

aanagnoaswkaaaxyakag

result:

ok 

Test #101:

score: 0
Accepted
time: 7ms
memory: 4524kb

input:

315 300
azzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz...

output:

aaaaaeaycaabacewagabataaarcaaayfaadcacdgcxwavaaadadaafaaasogabqadxaafegpsaagaapahheahiaaahqawpaijaaaliaaajpajapqaakkaaaknawaaaaagamldulaalamaalmaqaamjaamaaamaaaanaaoaaaajmnaoqanakaeonnpanqaaaaaaaraaraaqaaaprprppaaaapadaarautraaayuaasaaagqrurwamwaaajaxlaaaskaagavraasnvfaavsaauadaapukvyvxvbaoaagnxafxd

result:

ok 

Test #102:

score: 0
Accepted
time: 1ms
memory: 3784kb

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: 0ms
memory: 3848kb

input:

7 50
tuqaulrnzyyywybpuoehdugdptglplvlppkhhxxppdrkhxdxgd YYBYYYBYGYYBYBBYYYYYYBBYYYBBYBYBYYYYYYGYBBBYYBBBBB
bkunohhytsznqcntvetgbzflhcujlzhxtvublqxznscjshvzve BYYYYYYYYYYYBYYYYYYBBYBYYBYBBBBYYBGBBBGBYYBBYGBBBB
zpqthwonsjjxcxxuwdgpsglsmpbepexhyvodtbrgpwktudklnz YYBYYYYYYBBYYYBYBYBYGBYYYYBYYBBYYYYYYBBB...

output:

cddekilhzhmhmopssppuspkpvwpixyyzonuaanxatnnauhmttt

result:

ok 

Test #104:

score: 0
Accepted
time: 8ms
memory: 4480kb

input:

20 500
uabfdcdgyqmxgsgauxvngxyebdglyakjsndkpgbzmtpxubzwzdrypaikyjxzwztpawxmbkjdhywlrrwdwmyjuzpkfvzeitcoovjzzjtfalpetwkahtczbujpaymnaketzdwjdpldpchnxbzajnrafcpsowhmszkllmotxhrtbsyujplndjudidelwuxvoxwngolxctirjebsqncludnyzneyxboxjakvyleabonpsmowvzoaovyttvhnpbesttbyfgvctharxoozjffdfzlzjtbnmiqspqhwthrcf...

output:

bencihafnwwiewldixcnbmbfxnacccbsafbmbafanyudmhbbbvaeotbhfdxacthdeubrzjaqgzbrabdcfddffzedsdsapefdmqwfxlszaekficdaddhjehcgavcmggtlughgejtnygtgmgjghgsgmkhhjgegmgzjyjhnjzgfjkjtvlmajkylmctkllamoflkfkhnpmkkkkrilwlvomminqymiopuouszwpoofqoqtpvdkstpprcoonxrpovatvspopwcrhbtqqrjrunzayqqtqsrssazuwqssqsvstksatxl...

result:

ok 

Test #105:

score: 0
Accepted
time: 13ms
memory: 4496kb

input:

50 500
mlflhmhmlvhbaykqextwbeswdlqmlhhzmofeicwyhuvyqjqwuumnpmirtgrboepaosruvhipeadhtwuxtqlfshfbaakarzfzenjinaijsidcoqytyytevycrdrwammzsvysailfremryrtlonlpohxhhonhnmqdnuuynwbilcotucdxbphurpzvjjkaujunppehudtrkggggweudqbmvoqtoxvyzspjzajlxpsmynskdzxrwtujidbsbjpbwlizsejugkzavkznxakoshvaxjceniggefvuqdtwbj...

output:

vzzukezebwaewbcwomkqewxdexaebaxkagajjdkwbfbdeazcdjchgdkmxaikaackkcbbachbagookkeazbebjaccfcfbqikfcaccqbaabbefhodeobhbchbcghacdkhkedkdnehdvfkndigehugdlmjgghkkhlpmhlifgikkjsnonzkkgnjpfpkrrigjhjglmqfhijmnfshfuriphfrrgghfhimfixpfliirfmrmfuggnsifkrnlniigpmfqmtflfftinqfjimppyuronilqojpmupzsmnqrxpmwmjmrjuol...

result:

ok 

Test #106:

score: 0
Accepted
time: 4ms
memory: 4472kb

input:

20 500
ayuwtllhqnfdehzldgmmouamniqnnprwlbmoppiokmpxscydolhqqgywjsqlnrsyttoloaoikjvzrxskmwowxtjssclswpoxfefjqqtzxkcxgxtywwdrmkcoyemldljtjvkcirjhcivgcdfijpasmesqpceeoixqaazxtwyggdxtxtksunhwzqvkrttrjwnjxbakjsxdonknqsanteluehvzaytivsfrgpqxoalwbywfuxdyasbshpskglzhdkrsnsxiwypylzmjdtlddtqwvrnomjwhjrerozduc...

output:

cdueaaaaarzyifamyfoaalceedlbicxccjdeedhfonfmbmukbbhcjfsbeppqcsbbbgbldbabrvgadhsdgwviybbbdebhprflgfkyhffffwemjfefeegldffgfjwkgiivgggaugjgigjrjiplgsgeuiktjhkahttynhhsmqqhizyhfhlhtiagqjximyjikziclnijmjajtkxjjgbtdjlcmvzjklakgoklkkehledwblkkinllnvbwppnarvuiqdmmoyqmnwonzrqknvqodrrryvhpppthspfptycurqrplusr...

result:

ok 

Test #107:

score: 0
Accepted
time: 14ms
memory: 4300kb

input:

10 500
hlowainqwhleemhxgeexvauvsmdxrakudyhvuxjhqreepyfkndruyzuwrfnhaevzdkpfnknymitnqjuvudbwcylkjcmwlwfhavsjmpadfoylhtwuaukxdgwxeqgbwciafzierqihjaxqsbxjbhyiamjwgoupnzlkwoxgfrsclagaevkwfiylpvfboozmplswttjigghixkrlfrpaluroddagokgyayvixdjynfvfawkhenogfymqrvprzqlsnxhzmvyvcvtfftaflzvvxhtuifjoktfpdnvrercle...

output:

yeabuaaaalaaacxakabavcacbmyaacaadahdoaapbvsbcmcbcfmbbwvwbhwbcbwbgzkdtccaddccccugfgddneddfmsmdfdkqdfghfffiffflibkhghghjdgogajkglhjgqrggwggjvagbgognijgjivichbnijlhhahhphirokiqkikekkiiimliiminilkkkkkkljllflwzlllmtmllllzwmlrsmmrfmspamoommoommmmompdmmooopoqtppppqbmpqpppdppqrmqquqsqqqqrzqqqcqsfsrerlhskrrc...

result:

ok 

Test #108:

score: 0
Accepted
time: 9ms
memory: 4472kb

input:

20 500
iwwobprhmoyngxrwogeznqjfucciihleorxsgxcxjxlsqhoaakvkwnbhfrazxbrtqwoothwtdoprguinirothdiawdjqddwmbnkkbinwjeuwqydrugiccywxayagrkbnsjaoriyrpynldjiglrhikiipcynkxfobdyoxzqmsvthlplvbebkfepbfpttdgspybmjcyidxaxaodjkilaysrrowetbxkcrwgphhmyeplxvnpsxsinbnmfxoulwuyfcnfypmzuvtqxctqnrlgvbrvjxjzvjxvbfoowmsn...

output:

auqmauatybytdbotbgaaahjevcdxcdbbregrbvdbebbxbpdbknzbzdvcvdfkldetctfhupukfgayhdokqcdchmytfeuccdccgyccdjfjgdfdmefyuqfhijfpckfxoeufifggeescpmlzeijieenhcejhhgkbmpdihohgcnpvuhgmwzjihjwjtjlgfpgkrlhhicsctlriqhujpaoptjksexjllnxoivmjilnhduispxjurillegclsjnjlololdowqloavxllpzpukqolrvporhhhrolqprjhfwpqnqtrqqft...

result:

ok 

Test #109:

score: 0
Accepted
time: 6ms
memory: 4656kb

input:

40 500
lennpvhaesjwznotiemclquvfbhxnphpnyhrrijylkxrrstrgmlekwahzzspctybovapkvlepgdspzvxvtclrmtelffwvumcoituylxnqxubwcenuvxvsgxvxuzavuyiimznvigzmrkqoavtwfcybxznhxyfrbxaefvfimfpwuesbqrpwxrunxctvgvapwllecsfrsosbmludeljvximxbsmqsgnzhwisflkihogdbqixxxkwprooumwovxwuxwwpfzsudgtanewxdfxiyegukigcxmjhgojmqnjv...

output:

dhhrjfxtkblovcqralrzbmjatktgabpxabfwmpbjucowpkgrpaaitxynxyrvjbcjposelvdnrdcjcfuzumeqsvxxjsqqxkodmoqhsnyuswaixybhypbqeafoivbekmnmzdkdfptpncpoapangpspytvyftaxywpnagdbioqeetdkctopovkudkflndjuwtenowqfihieldiaikdlvedptkjlmhwxhhgegxyihyqkmehmezjuojxjutslefqsbgfhwxmaqshsnwljvgvdhgjjgzqibzwuwbhvhkthrqwtnteq...

result:

ok 

Test #110:

score: 0
Accepted
time: 26ms
memory: 4472kb

input:

7 500
nhjurmfptwpsgukjwqqhganfrtbsavaviwabjwanivosdqwewclocqgeawyuyetiaxqocqksukadafixlzcqjkjkfuvwbnzflkcqdixhbbfhnaxeyfjfvcpucfjvplgcrjlqjlozveqmgkbpierghfibktmipvabndpkokrvgvhgikrhqgcnkkwzcldzhamtnsusuxhqsqyrfgvsiegjbnmbtlzlvyiatojxleldtnbfrnxaqaavqdtwsasyxeeqbjfbjuakywcptyayfjgghqxunfdlqlgvazgafv...

output:

kakakaaaaabbbaaaacaaadaaaaabbabaabccbbbbbcbbbbbbddccecccccccecddccdddedddddeeddddedddddeefeeeeeeeefeeeefggggfffffgfggfgffgffgffffffffgggggghighgggghgghhihhhhjhhhhhihhhiiiiijiiiiijjjjjjjjjjjjlljlmlmllllllllllllllnmmnmmmmmommnnmmnmnmnooonooonnnoqnnnnnnnnnnnonnoooopooooqpppppppqprppppqprpqpqppqqqqqqqqq...

result:

ok 

Test #111:

score: 0
Accepted
time: 6ms
memory: 4504kb

input:

50 500
fjvtcvkdhphwksdhxuvuhnienmtontugyffzpbliffkcrjbcizldydjqftrqatumvwjjcoshkhciwxkcpwevqafbwttxwkujdigaimazfudmyvcqesaastwfggmcjsmtcearbrzqynmdkgxgzizlaxhbkohbbotkachpjqkmmsvmkogiqhixbngwksteeiaauktuqciihftqwrdwvqcmyqgpwjtipsnoqnsagzjomnqjtzvsylpdqdpapfxdoodbxvxyqmrvkuillaszpnkcahbvakbktrfuqsats...

output:

xxacnxbhynxyjdbanjddbsndfcxncdfnidgagfpyncaejxdacgcmxinanfihbdnbbdnceccbabllbbdbciiffdrnrrdbcfgxhddecxegareetnncnhyseghoeedddmgxdxgqespuefgllemlexnppgmiegeofggiomffmsyjtfjvhpjgggkfqphfgiigfjfuilmithdjiikshjmhglgggoqnjtolqjpjhyprjulnkjpqxjcqlckjrmtjjmklnkkllnuoofvoyotkulpttsloslqrxlnlpollpttkqzpyrqkt...

result:

ok 

Test #112:

score: 0
Accepted
time: 25ms
memory: 4676kb

input:

10 500
hdvfzntztjftzhwhklupivisrzogiwdrvuzwabuysraiqrygyefzzyyqgoqyzstcpariuppstyipwyujymubwtkcmfudnbjvmlmpgzpcvrmttcrmzfhqjfezhilsgunngmtfgnrclefuqlhwryparsnyzjchxgfkbjavwicenzieajerrkkzjqnghwsocvkjosrmnmbjhsrrqocvdhdsbwqyswlqmdmnkavexchlvhrehczyzoawbqrpxfrznuebwokclufvnxdgmyglcjnbtqwvikptktkbiczvu...

output:

bcbbbbbbbccbbbbcccfccdcccecccccdcdccccccedddddeddddddedddeddeeegeeeeeegggghgggggihghhghhhgihgghghggghgghjhhmhhjihmiiiihhjjhijiiiiiiiiijijjmjjjjjjjjjmjpmmmmmmmmnmnmmmnnnonoopnnonnronnonnnoponnnpnoopooqoppoopoooqppoorpppprpppqpppqprqqqqqqrqqqqqqqqrqrrrsrrrrrrrrrrvttsssvssssssssusstvttutututvtutttttttt...

result:

ok 

Test #113:

score: 0
Accepted
time: 9ms
memory: 4608kb

input:

50 500
indtujtskbwgmxdvkibvrirswzrvcpiyuyyntxadwsxjixpvgxlliyghubywoqxiloiiebktsgjjfubluyqavdckcutsvuiimgpupytjwcpnoirjqumjbzbkcwlogbmybogrdjhckdepplvunflsveokgbraqorfaozqhjnqwbiigzycaaopcwqvbxxzddipozyzkaynmtxssdoxkljivtotbsrbejeagduwyddmdcxermruoiqxnvddybpxhwhigealmtnzbnfwmvnrfaqptoeazypbqnmhhsmbk...

output:

dxadavqdngzbklaenxnaavacciydlanaifccvsoebrzgaifaakbybbpbjffddnonkahxnfibknbgthavaopebcjdozghdbxvnyjbnibbmmbibxczfkebencbhgcfxxobddcdycizxbdcbbkyejdxnsgfhknqdjsjidnfgdfnrikgkfshdefdhidhjpnmhgxdheqhudnhgekheegieggmojphigeqpgjnhlormjkumkmkkrtomjnoknumulllpjkmljrppuljoomftllxuljlspmlswwqolsmqulpmqporoll...

result:

ok 

Test #114:

score: 0
Accepted
time: 6ms
memory: 4516kb

input:

20 500
slcocdoeuswpovhxnefsxdchgfnwlduobfdajvwtydpyssopemfjmxxhybwyccommiyistixveoywghtfxdmdturqyumojdxdsxbhqmscboezlfgmrlwccygpbltparhkieqratosgogmxykbihmrryxqgqfygytxttksfhknglfbhejqjzitxzsbzirrtzffaigozubkirbzbnnmihyybpqsravofyatvxuykzjnkkygmtfexebdhhcitnenvitiiegtlwedrupvhbgwsdpprkjdhubvmkvxyusu...

output:

pduapwpbplfbeapbicdpagcaahffeeeyscybaeacaczlgcdzdccwdccdbdxyldierpycdrtchjddcepeepogmeedffffffukadqdudgghkhczugmyhhhhihnibhbcgiljrjbbhtaihymfhihrjfnkdzjjhshjnjikxbebikftvilijlyjrazkmetxjjixopkumjjommmmtkmmokmjrmnknqegkmokbkonopqnwqkkylgknkunnhkrksojqaonxesisoofoluboytosaoqjstqssrrruqrnuvjsrgbttgubfr...

result:

ok 

Test #115:

score: 0
Accepted
time: 25ms
memory: 4608kb

input:

10 500
roqwtjzrjuwkjwdsrncguryxigdlozkssldrhkipfguyoldfyrosbquckzszvbfjkbhtvatcgdbnkrgszdlwlgnqvlyyrztbdpnvtvqyedmoevnpvoycipvhgglyxhsojpyjjquksdkqlwsglcisppapjlrvowqpzxgzfurbiuwjorofabhyvolrcdarwpshlkvigmnwucgffluinlyqblzuqbziqthcrqgtkyxphdsmbdezmiydqrumajjwofoqsgkghsjjarlkjgqrfigsadcyjdvhxigntkfwt...

output:

aaoooaoocaoaooaaaaabaaabaacbcbbcbbbcbcbbdbbbbcbbbcfccccdccedcdddddddeefefefeeeheeefeeeeeeeffgfffffgffffffffffhggghgggggghhgghgghggihhiihhhhhjihhhhhiiihhihhiihihjiijjjkjjjjkjjjjjjjjkkjjkjjkjjjlklkkmlklklkkkmkklmlmlmllmllmnllllmmmmmmnmnnnnpppnrnnnqnnnnnnnnnnnnnnqpqpqpqppppppqqpqppqppqppqpqpqsqqqqqqrrq...

result:

ok 

Test #116:

score: 0
Accepted
time: 5ms
memory: 4340kb

input:

84 372
cghxpccqxmpjhtjdglpdovwbzyqusjaaaczvnuxwducxekfdxytfvidgytsrnsqttxtrbkxlfpiioewbjuhchzmaifgmgozzszkpzehdtrbuakovkrqcsufpylbvidlaysqeaphobqoswwlgvfqlcwmxalphjpjghaphienececljwcyzgwerjpblvsjpyglbhcrncsyutwoyiuswxfwisljgbkffxgcrtlbhcsikvelbqjpaztaasiszygtchgirkazcpgfcfxplcefbpgofwjacaubweqfkmrbf...

output:

hqyecyaaesovzbstegaxbvmsopqajgogzvkmedykxzfulzfmpdzunbukhzvipcuxejqnjgnjyxtmxgnrmoemicwazqxvxrxpvadnbdkyhodesgotytdhgonnifetqoeaivzprxzmicgazvmxcxxdefbxiwtwsdigpjojdlnmixfikifxldzbilkffuetlhqqsextndlxfnahwbszpudqyrfgnhzdftjxuienlthsjvbgqucbftynpnlzpfxmhvtifavfdchtcfwefmepysaaljuyqjuxiwzoskkt

result:

ok 

Test #117:

score: 0
Accepted
time: 3ms
memory: 4668kb

input:

40 500
bngwwqulygjlplyrkicksgvqqycoamxfcoydohxhytmdmskpyjwuhziugselpxqspsbzoecnmtcgkyrbphotgkvlalmmgzpnenyzurybwxlpllgnrvxgykkqqmqmmbansntkcgmbuovmzpzfinlzwofqungisfrttnxsoqulqmwdyurgvuuppkbgczyyegxmrdufnowmahnflulqmtkhpjjrmawolznbmzfcesnawzxiqhaekaphgdhxfpczmdjmogxtezqhvnxyoaoaapgctcprzcegjajvmplbf...

output:

aaiirbgkyfdxaejcrspxhhafdhimdnarfsabjgjucfetjrxwjhvanjljbfldydsklaqfkfbbnbkruehhpdttelmkhpemlpdncbtjiwpztihdcztfwwkzqfvcvgwgfstcfjdzdoehddikinfritocfinkkjgpmbiyqexeuoudebqujcxrlqtedbdhlcxbqydfrtnbdzvydnhkktsmgaycvbdquhsbfefuegeecpivhokddlxbcunxleqrqtlxelrzwqnuekjenqmukjnsossfulrtrckicmvkpohtgifpxwbw...

result:

ok 

Test #118:

score: 0
Accepted
time: 15ms
memory: 4420kb

input:

10 500
golmkejjbmsldxyvlvmbmgoaivglyqadcjhtedubrsjwtdkliqsltksdijsfeyvuttgvbcoqcmhcdjwnbatcprrrpmmnnqgamphfsbsesxqhwpnuxhcxqxeawyptrprmloahypvaivqyzugftstanjrxbbudyrvbkrvmhfqjatvypaevjlgxchmlgxtymnndzwosslntpihighkkspkuspqhxduqoiqlirubexhhpifeiogxqggfdvavhequdgjskvycqehyqgdcmgsuxbksdhhvlpqhhuumviqhu...

output:

maijammimmbjymmcabbcmbbbovbyhbbcbbvblzbcbecedcdcccsceedidvdbxddddidedddmdeedejdgeeehgeffhicfffffmgahfgfhafeqgfgfhfgfgggozgivijggdggkhdhihhpihhhhkiyiiqikjklkknkwllgkkjkkllaulnlllolflhinlolcnopwnnfvndpwlionnxnonenoinnnnnbofnjniroeeczoqtooopqooqkousiqpqpkppfpppqpkphfppxppqqxquqjqnqqoqrqqqzrgrrrtrsrcrrr...

result:

ok 

Test #119:

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

input:

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

output:

nraaaainaaakaakkala

result:

ok 

Test #120:

score: 0
Accepted
time: 1ms
memory: 3824kb

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: 0ms
memory: 3928kb

input:

38 99
lemacjdnpybypkogwdtvhlhmlvzbhkbjaztriqyynvsftexmhjzzxyjthuaeozdpdxpjhtaqtqnddedkjlltttkklenffpfgpjl YYYYYYYYYYYYYYYYYYYYYYYYBYYYBYYYBYYYYYYBYYYYYYYYBGYYYBYBBYBYYYBBBYBYBBBYBGBBBYBYYBBBBBYBBYBBBBBYBYB
ffoiuvnagcedozbnvdgcwehekesyjmonuaviekpeeetvihyvwtnvwucerddzlzdiiltbqtyfyfquaifdjdyadkytyookgn...

output:

jxdzvsbczlpjjcgmgqicremjuzvxepuwfqgsrkxwhieeutrujjtokrhznoxuzyrxamgnqbeecqxmyzczdqjkkvzeqjyblgmisto

result:

ok 

Test #122:

score: 0
Accepted
time: 14ms
memory: 4300kb

input:

10 500
avcyabyfbhldqyquiroxejrovopyxbgfslzbrmbbbhvxiozmwggujoagvafzguvgzztetufaehlozosicgjrhqnboxoqzxnwlinkwjtfcmstnhsxpbusuvudgepfwkpuenqjvmpuljzrewqmcldwmglpqfcezkmfueprdnceqlkeobrubhwmugcvkjvimcvqtdhgtcqxzldhntduytagztfheqmlkrvkfllddoemookesremmaxxavxeescpkijpneujkxokegzvfjtpvtwfiosefakjcziiczgco...

output:

byetbctysqyxybacaaaadaccaaababbbabkdbbcccbvccncrcktccvcdqcfcccedmddddiddddxhdssiddeadmddehglleeejyexeeeigiffgggkzffcolbfgffhhgfffgggjghjhgjapghbxpgggihhihhhfcmhhhzhhhcihidkcijhiiijiiiijlljjkjexvjkjjvgjjwjjkkklpwkkkkkgkkmlklllmvdnllnlflxmwlsdmnmmmmmnnymopnnonnnnnvobnnnqptocqopoppfopqppzpiqwrqqqqrrzrq...

result:

ok 

Test #123:

score: 0
Accepted
time: 8ms
memory: 4492kb

input:

20 500
rhqrqfrgwyrzxmjqbfwzxjvlvykkreypsulclulaqxnwwnbongeepchnwgrojedulbplkkwfbxrxbkwtuztgxcfucyirctbhqmfyiicasmzpgtyqucsahojdjewbbxkaoupnzejlvgognwxxjgvtrnctdbblbhovfeellhuglseearomgbdtlnjmhnefntguonarkwoylusekasgztbqelwycvioxwgrmjxnvcxkdbrzfkldjzotbnzuvhyxyesfvaucxynavbkyaisfryutwqeginaehujgakoyp...

output:

abhbudbbicaifesgedecjcrnccijdvdlteexrglhusgueqbflddwfddyeewdxxedhkffjffjhdhfmfcihhxgiczhhbqfnkichijliojqjkokigliwdneirdjrkjukxbvyiklnkmmlloljeibzzjsmtcbdbpjqmmqtojmnjnsnxleljinkjqrqwhqoopzotreimannjpnypcoxnjpwnqoxpkjclhfoovistooxpyfpgqoslptqqvqaqippqvbrsttwtaflhsuruxrirckccrrwrxvccsgqsruvdofbkxttzhw...

result:

ok 

Test #124:

score: 0
Accepted
time: 2ms
memory: 3928kb

input:

38 99
lcnqdbnunbdbzudjlrywtorribfyxduvteracrxyunifgbivvkzxefslommakqzpqkoipbfckyhghwtjafiwnybobniqqrcybxi YYYYYGYYYYYYYYBYYYYYYYYBYYYYYBYYYYBYYBYBBYYYYYYYBYYYBYYYYYYYYYYYYYBYGYYBYBYYYYBYYYYYBBBBBBBBBBBBBYB
zvnepeuvrwzqrkmgoylqikrcnudzlzehdcyopuqytavurqzqygnpszcnykpfrsjdtlavrlgkkvswqkqrccffxugrcifdqo...

output:

zuwrgbbhhkjnuziavazugaylsscdgisswzcryqhljpljhkximftnnlzwfvimbxsnkbqepptdzslzkbxofsxllhhmiqbmffjmomz

result:

ok 

Test #125:

score: 0
Accepted
time: 2ms
memory: 4672kb

input:

40 500
nociyvndtnjzbwfnkoirbeayjufjxljvsglmgbzyqddrlttohklanglgkepoezadibbyjpptxbsbeahwmdssetnwxyifixbcftwpekfiiormtpmyufikfguubzkngohpnroobefeanihvowxgdktkxpkyacxawaafupqcerckoyntlmvgdiehqgdmhftmlorsawglxdvtinmzdluinsnyeywxnvpossghmmnskkafswbeywoomhbidilmfzfjabgormdohxxlqewowhsjddlvltadnetadbynlguo...

output:

faoungeadfzvrbircjhreutykhbaaivfmbyqiozqcnfljyfzgqrjqaistuoebeztwcetxsuggpllqxpjserwbkwelgrgftssonrdhjtlrinnqsxcirjqjjfrfhlfydhaalgizsglekuhejmdxlktavuqksdoeoaxamfnivucjjlfkjlugzaopcyrnnjfejwlsuttilcoamprmgegjfaycikwnqpgshmuopmrfqlewrtrfontzgqrwflpnvktesnelqlugjjtcfqhrzqzhxamojdhjlzdupzvjkgdevlbljvl...

result:

ok 

Test #126:

score: 0
Accepted
time: 27ms
memory: 4612kb

input:

7 500
nngsllnxkpwnspcftnkpuhpuqcmirgfpmtejqrbhhdzylwumotzkqwyvmijqbklpgqewnldqkvgzbxcdhmkqtwsiifslmnpfqqgdotjptxpofzkspqsmegmgmsdyxndckfpdofzmggpiwgrrwhrciavopdwyqxzxthudmqheezbdqihpmkgezeklynghjlufystcgnujxdvrrlgiogbfudpahzltwlnmkmkcqmqmegpuhlgswhuelsoyomaqzgwwxvdkiwfokyetrkjahataworndgcvtqeoznxewh...

output:

paaaabaaaaaaaababaaaaababbbbbbbbbcbbbcecbbbbccccdccedccccdedddedddddddfdedefeeeeffeegefffgffffggfffffffffggfghgggfgggjghhhgiggggghihhhhhhhhhhhhhhiiihjiiiiiiijiiiiiiijiiiiljkjkjkjjjkjjjjjlkkkjjmlkkkkkkmkkkkkkkllmllllllmmlmmmnonmmmnmnmmnmonmnnnnnnnnononnnnnooooooooqooorqqqqqqqqqqqqqqrrrrrqqqqqrqqqrrrt...

result:

ok 

Test #127:

score: 0
Accepted
time: 13ms
memory: 4560kb

input:

50 500
uikgvhvrmqsubmwdwhxcmtcpocrpxijhuvsniexaseairmkcbeklcgefagvtljfgiegaocuyuiqwxlxdpxurnojyioqamgwofiwfcmmjgyvigfvcjozervzfmkitsoakpqkjepbkpifrcuydaadlnyzuzqcivynubiadaagsmiahneoivnrxwyebomunjamdlnnbumabxevqugcbfgbqgduhgvjxtreauohsxzpqvglrttolbwlzpgbcqwgocnurrqkpximajmscldqajgqtvdmatypajhmynzcfj...

output:

babbeypjxyftaayzprpdgidevbzzzailkkoicddpgpyazqohcabbiaxqzxbkzxpmcpsblpdvkdnjcdpebebceehdbjhzbcoqhmgcleddctgfcmgbizkigpcggdeidinebpjzcdhbhgcdfbbhgbppetehhthfkdgzijjgedoeflmeikjfijjnjkhpgfikhggtgmukpljmrhhjgfmxyhgitkhkqowoiikmvhjzkkmhrqkjkjijuitmtkkmssimuksznkuiqtknkkuxxvpiliyolralmnlnxonsrqlmnzyssqmo...

result:

ok 

Test #128:

score: 0
Accepted
time: 9ms
memory: 4416kb

input:

20 500
idgnkmrnbkqgpmdkbfdszsrpghevtsnhgwolxsqqwathzcljlwpcegkceborovpjblydpugpdzmprpdwvhzoxmmchtdxrycqxtlqoankpbdsbkkwdhxmfxaiueqaglafodvimcpglygwxtyckrxkuufsvjjsbfsbbxesiuyqnukafrxdtflkkvnchyfayxvgvwvitxgljtcwnuwmmoloqlbsbhdqxuocnycrnprpkdvuboxdffqyyelptzdyegpoywwkplvejokbueqjyzpwmpozhiuyondtgkjea...

output:

nxibihefdddkhmaaebhybbixianbxocaooaaoebniecwcdjtodqfbhcjducdcicacffcwddyfeeendferdljegmxeffmhqeykghfaidlfvjfwfkjrffggffffkggujjhknhrliihjjmzewhjukhiyphtklijkknpljjgyfzokljoljklnlkulbkmjoohgmlvnflnolhmyimnadaxldspiqdwppippprppqsgstybqqaqswejqqarqmrnqsuursqjqamqphhmusrsxuagzzmgcsywshrrttnuburnuuqcrhre...

result:

ok 

Test #129:

score: 0
Accepted
time: 6ms
memory: 4624kb

input:

40 500
snfrdqgnvyyaraqccmotrtokkfmalyybgpwgulvlyxckrcxcldtepcsadrgnmctvegynxumxxilbssrbpamhbiuqiqlywakejtvwikqspifcememdyupghrwclrlpvulxamihrmengmrcgbweadneunrpgnkulxwnxbcmxquvgmipebjnwojpfxnsbhvyctavdqcgrgwjlkjensloiqioeijlwsscfdgtktugkpxngprzvebltcjijglgaifurynycshpoocpkvtdbwsfxcuszwehszqobvmqwxfm...

output:

udxrdmtnzkknqatlbgekqategwwyaittsklweuxculzdfbddgpsdqjilqkvlagqaibfcyzlmotfncbgbicihxbahnnyqbrbiwdzgcticjosubjwkoirfgmrlalgjktwoeccnjbidgfrentdlzfrxirzyydhehyuhrdfgofziryjckoznwjgqoqleveswxfcalzhfchfnydophllpqfllyosuyajnpupspsfdakkrfxrzsrcfrsnuhefngfnjjztawkmobwrkliteufdgtjtkqpqimshsskpngijrqfwvexdz...

result:

ok 

Test #130:

score: 0
Accepted
time: 26ms
memory: 4428kb

input:

8 500
xiqiycbimxqtfqjpslneyqplebchzxulzwjrgtegxuqgrqhvpnpngcjucxelkmjrizcvnrjqtvddxlpgltxwckqmpkpoadbippkbncrqfdfofscnfgpvyqgrbcdadfufemkbkpcdjmhyfokuxquypgtejulbyglpnrbdydywxfcupytfqnviupqgazwtyjbjxwfleheseyheobucdjqcdrefkqmslnrbjjmqerchombsqkofjgsnlwubvzvgedxljfjccwjrrctghbfuwwomjzzpkyxmcxkfxddgrf...

output:

aaaaaaaaaaaaabaaabaababbbcbbbbbbdbccdbbdbcbccdcccccccdccddcccccddededddedeeeddddefeeeffeeeefgeeeffeefeefefghgfffgjfffgffffffggggggggggggggjhhhjjhhhhhhhkhhhhhhkhhjkjjmjkkjjjjlkjjkkjjjjjkkjjlkkllkkmlkkllolllllllllomollmlpmmmooomomooooqqoprpppppqppppppqpppqqpqppqppqqqqrqqqqrsrrrsrrrrrsrrrrrrrrssrrrrsss...

result:

ok 

Test #131:

score: 0
Accepted
time: 13ms
memory: 4556kb

input:

50 500
nxzrlyklxqvmvzvobwxktnrdwljurhvzllrjmfjkvwgcbkirbtiwylejxwfihpzvizdwvsgjaaiqkwriqildaoojglbljohibjkufsaagaxyjhzjfofnxmyhkwmlwbhzmydabjtgagwhedfhaypvajepofyhfbdouxwuhnbgztthctbqjqasonbglubknmeknsnbpctlwccyhiyepytqbcaftfrhwfzxocnndardvufksspvgfmsvcurqyeovcofkswrgwanlsgbllolrlsyweanwprleynusyizj...

output:

tcvndtcfyedbdbbaaycakvaeaaymdbgccffvbyfbafvgueafvguavcacurefcfaamdcahrunccbbbeddchbvffvcvyjuvbcgdfcedbbvcvdcdyccjjvdvhemqfdejhijukneevnjefkvhehlhevhidvdlhkgedfjmejgikgvfjmiqiseekgmgighhgepilrpiklfeirgnjtkgnqffjmfjfogflukjlihmitqjkkhnkhihlisnmqiiilmbotkplkiimlpkklpikirkrmniipisklinrmknmrlomloikzlxuol...

result:

ok 

Test #132:

score: 0
Accepted
time: 1ms
memory: 3824kb

input:

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

output:

aataaysaafnpasaadcas

result:

ok 

Test #133:

score: 0
Accepted
time: 2ms
memory: 3876kb

input:

38 99
qeyynemrcyzwzvuoybvrvzmeehgkxdjsklfkrlthdrgtnwlmgpqrefjgmdwxoifalobzyiffgrdqlwwmvxatxvlhbhqsfnjqpmt YYYYYBYYYYYYGYYYYYYYYYYBBYYYYYYYYYBYYYYYBYYYYYYYBYYYBBYBBBBYYYBYYYYBBYBBBYGYBBBBYBYYBBBYYYYYBYYYYBB
kfjamtsoagrrvlrqjnovogtiwsjwauxmqjmklnumwcarztrhzmhekliwilsnnuhbyewgqjzksoybnqnnggodjblpszvkse...

output:

gqnzucpkiktlzjprosdvbrtryalmiypcuhtqbaauesaoksvhyqxoqqoaczprvhhngycxwhcqccdcjmphhvlrmrhwljbapkapncb

result:

ok 

Test #134:

score: 0
Accepted
time: 4ms
memory: 4428kb

input:

20 500
nixynynsrobetbjrzejtjkegkaogsaillemsrxikuuedvhrzjovgsfhkiwjzdstergysibyqpvyrwrrcjddsxlyqdlfwvjabmwanmxzkpihmmjxdutsingdorqgszclfjvcpzzjlemkpngmhrwchrycncoefavqmwcqlgyjzxtskapmxwnbdwnctpjsiabbaaurcjvefbpjouneqgejcpsnaahtylxsahmktvhvfzugxkulocepedrphwsujxowmnpdmbbqjulslqijltopnphxllsbrsbwdhyszd...

output:

pcqroeabaafficdoanabdvyoodcjtbdbbjbwsdbdjgnocoqbbyscdmdqttroflmddpperqeeadvrdlaqfdpeqhijebjlvfbbegxrgghgcdgfdphefhmfoxfvaiagrfgfoyfffxfhrkxwhagphwqixdhiginirhjtkxihjimixiaijkkbgiltaaijmujqukklojguwbkljkkvnkkpjjsljjkktkclmdllmmnmzlllnslnpumlpnqnieopqnowpntnptfmcnfsnthzvnptqnhszlrpnsnhqpnigpeteylpsqrq...

result:

ok 

Test #135:

score: 0
Accepted
time: 6ms
memory: 4572kb

input:

40 500
qvxlguccwpbtfosxdxjcaslntxgmfxzsantgvrtmcyfwuqgucbdychvadnxfreaiklbmgmadqxpsrwocowtjrhjxyovenmbfmgtuyevakqjiuthlzixijiujvgnpelovuzakwbkmcoivedpzaytfbvcrzrexbiqyeqcprollhrjaqwjxqmiravpxfyifmhwbnfysqbdirmozlhellydconrbxfvunxuplujacyuzkxqpedznvprcimjrxpoilkspgtcceatsormsqnbyhndlgqwaytwsxxfttafsc...

output:

mtarwklgahhndcklhwfngfbcqpkmezgbvzqoudfeadoyiuboidyoptrrzdymzmaeslnozscyoylrwkihkirnahwkiroahzairrhaeydelykmeomhqndqnmjstuqvsemedbvlkcbmrdeoltgsbyirzllaetikpvtakcidggkyqgbkrnsxzxepeegzugtsnetxvzevbxoqzdubbwwnndlicnpfmlzcpoxxbfmtlqhaesummjbrdnmxjnlgjrdospukxwcopbmmrvjadukcputebrfygykjbfnjqeoqpixerinc...

result:

ok 

Test #136:

score: 0
Accepted
time: 13ms
memory: 4560kb

input:

50 500
lwgcolotodckvwmbefzrabvbqvekrdkwbovegjovpdlhpzdgeqgplvajpdisoxywdlssiaotqlvqdnndntdofaikqyekozxqjpuvwendiexjwqidxlikzcewckbjxdsnwdwfitpdnvwjnrglnhaazibzoizmfkkajvvvbpvcwdpsnhzepxrkcvnwoyyqnvzwqghqwhwtiarsouxqyqigucxxlxsmvxvmyaujclujbrxuyojcwxqgzszgdnuopfkjfnewiwgopkjefficwslltdgsbrditextdwxox...

output:

hmyyzchbabhacjqahhcbcvcdbhachhdglccbhcghczhzbahhzmabhgikbchcggugjkdhbfcgedahkgjjhyfcabzbucdgbbaaellmhyceekeiftgkhbjfadfaghdijaajbwdwddjedickqwffdeimjchfcmmjrececofjilkelceziefuffeefbpnugtkgeifminoogfhkimflggpvigkogfggjkkfnaifilqfnifffnoatnpjjlilklijutshljopmkmrlnnlpklxlknnlknkllonoolknwollnylltnuumr...

result:

ok 

Test #137:

score: 0
Accepted
time: 1ms
memory: 3764kb

input:

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

output:

aaharjwrrraapmaxacra

result:

ok 

Test #138:

score: 0
Accepted
time: 2ms
memory: 3888kb

input:

38 99
pdcxnpchuhnjkesyrhzhbvigmnzsclduhpzbafsdjoqnvqufwccluyijavnbcvwzjmbslitkeoyyusmydcjgupsjugxcnvphnik YYYYYYYYBYYYYYYYYYYBYYYYYBBYYYYBBGBYYYYYYYYBYYBYYBBYBYYBYBBYBBYBBYYYYBYBYYYYBYYYBBBYBYBBBYYBBBBBBBB
aktlvhefxyiyoqbfykdplzvpkqltlcmuoptxhixpddzrwgqvphxngbjhvwojcxztsgmvogdqqphprbqgphbskoqtxcpdbp...

output:

mrsemxxahaymnagshjnrqloqwvbyaxtoypgarslvoypabmdxkgtqfetpyzwwoafyaldcabytchpfrecsfotfqwbdiywjbibtrse

result:

ok 

Test #139:

score: 0
Accepted
time: 3ms
memory: 4556kb

input:

40 500
uzjmgymcylmysxcrrymwcnofpflbhruopcojnvkcmouoxfwhojapwtnnqefehbrbdxpvqjgmyspqeyybofbetcrfhpaqnljlnrgopvihrreqlxhasxouvgeapflvmxgjyagoxavhhwckjzzjxzdksqmuwizptrfodwvulsqxutedqazctagynmjbuwudnzmrmswbaacywrnwtyebgkbxqpbcdxcszswfpthkfdmzdamuztaigxctsrlsigjmzwsbbeybmymootmivkzmgxjrwkonyiataoefsfmvv...

output:

vhnezeifkrnaaheloamqagutzefhazzywebrcbrrlclvgtbelixcfhcduzeffhgcvupfhvwepvpvvhzimwzbtdhopawxbqdgcinftjcpwqadgijdsvgmyjnbsgcrwyzigkjrjmkxxhhnjbigkikueekoogkyntecaigimnjlgyuraholiksvoprbjenxjuvxnlznuwncpkhyefdltvfpcvacsgdvbprpwopolhealzlzppglxqtvxivhwmximoqqxcbobpuynstiksrtmslevxuzmneorsualrasvvekboti...

result:

ok 

Test #140:

score: 0
Accepted
time: 26ms
memory: 4540kb

input:

10 500
xsimzmrnrwkrhlqcudoxlgjohikinljmrhetqfzucreypgkxangkacnjgvzxlnqivnukorergxzmidkdjvluajuppwnlijnfzzkhawhhlcisvrcscjsdwsarerilfycpsrbgrplapfsrmcxrqhrztqgrslrbcxjcwuahohnhfbzpfnfilxihrkssyjtorcgorequvyokoteqsargqttlanlpaeivsrwztwymwnjmknihvrarnxhixaxbxsxhlfxcdkbfnyaqtactwzxfbtcmwdvdlcwyzfcmtljpt...

output:

gaacaaaaaaaaaabababbcaaabbabbcbbccbbbbfebbcbbfcccccececefeheeeeeeeeffffffhffhfhfhhhfhiiihhhijiiijkikjikjjijkiijiikjiiijkjkkjkjjjjjjjkkkkklkkkkkllmllllmmlmlmolnllnllmlmllmpmmonmmmnmnmmonmmnmnnnnnnpnnporoooooqooooooooqppopoqppqpooqoopopppppqpqqqqqqrqqrqrqrqqqqqrsrrrrrrrtrrrrrrstsssssssusssutstsssstuwt...

result:

ok 

Test #141:

score: 0
Accepted
time: 2ms
memory: 3920kb

input:

13 78
atxrzzdogxijznphsjlluqlrkgskvyztadtywogwecslmxfvqnfwfrdwhplvwhphcldrxatunvxrob YYYYYYYYYBYYBYYYYYYYYYYYYYYYYYBYYYYYYYBYGYBYYBYYYYYBYGYBBYBYBBYBBGBYBYBYYYBGYY
bybporjtlvekycuvihdibibipzsqbwcsqzudxvyebzclyhkzqrqiharctxhbkmliuywlamwpdxosqp YYYYYYYGYYYYYYYYYYYYYBYBGYYYBYBYYYYYYYYYBBBYBBYBYYYBBYYBY...

output:

ddfcbbetfffgrjixbkkgkljjplmnlsnonvqqotbqetvdqulwuvvywryyzzsbroaailaapprrhparap

result:

ok 

Test #142:

score: 0
Accepted
time: 2ms
memory: 4316kb

input:

84 372
qipcbroojpntrdpkaexvlxwjoiyovtvihmxautephjvzpdjvjbqqfsuhsutaqouxxnehofrvqmjcutqifyirgkvmhzuacqwgodopnrtoaufvufswewrvqreefwdwdnbrcuuuorjebvsfruunekopkysnwqioiqmithyfszubxeytclafgnhciwajyuuxzlorqepcodfcwsngahmaplzbisdhgqvrpgogvjkngnbkmrdeahyezspwzlovgaxsqkzbhfbdyldilojyhugijuxjifhgspdqpxpbpjygz...

output:

gmskdfngrsqdewaxsnjswnfsilxseqdhvwzxuuvqsrewxhpumpthhlczvlmahfwsinvelcyyonszsrsbcesgacmakysinpyqeopitreofdawhtqnkhkkgkguekxmhwysqxaemnakvhzhvmcnmygyyewqxxaijysrxlpeueajmlmzjxxxevyldzrcgrmrpkwydymgdbguywfwsqnlpezpqexcaldmusoerkwwvdbudsamipudrspmpdgpvwvdejntfzwmgwjhsfppnrfhzlixwralsnkoszkpczrrdyigwnwr...

result:

ok 

Test #143:

score: 0
Accepted
time: 5ms
memory: 4560kb

input:

40 500
qdeezcmiwkdfctpgdwdffklbrqeluimxulivoceryupjudrqekkbtjogsxgzsjqhbvktutpwpxzaywigylbssvoasicrtocmpdsjhuvxxmkmouviukufiqdtcyghmevuqrcfdxbavmkwhtleuhsbecvejzuulmwqodlgklwcyaoczmhhtihfwwrjsjzivodqeyhvoobzbjkwouxxtrjfbpprikonyscerskpyllvnodnxscxcqoajuqrodqjlaeptbjcfmbjqlfkaczlvjhvnqaiwkjhfxqlczlyw...

output:

habaimtfhwagtucqpbyhwknfueloqdixuybilawxsdzdubjighemkdhkevlevgebafeghqnnpuotbhwjcdfxsphqkhfnwromcehwjkmhqljcjydptpkslxxdncvndppctejybafwbsrnykwutvcecchtmmzuqkwgbuyioqjfxvtxivuutuxiwoupfsmzadfhkuvepvknymvyeegojjbqcykhcbxsnlldgpvibubkzlhiixvpxlrixrksznngagguzmtgrfqonntikucnizuqqzsjnqpqshylosvtkywcohdr...

result:

ok 

Test #144:

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

input:

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

output:

wqyaavmjayaaurrmkaaq

result:

ok 

Test #145:

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

input:

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

output:

fshalwsaopgcawafpjww

result:

ok 

Test #146:

score: 0
Accepted
time: 7ms
memory: 4588kb

input:

315 300
azzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz...

output:

acxqaqaagocacapaaaayablaqaaracaqadgdajaaaaelqacdddcaaawaahaqianaapaeafaneabaaaaaafpafaggfakaauvaaafaaaafaaaaiakhaaqaajxagghaaaaatkawaaaajjlaaahgaaaaaaeojsmllmjuauaaajaaoakaammvaaaanaaamnxaabaapoapapuaadanpaaaaqeansrspqsdnaaplatraaroakasdfhmatfaangwstaaouxappubsaabvsvxxwwyqaaadupaaaysfavawwygqqaacgqq

result:

ok 

Test #147:

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

input:

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

output:

eragaosayaaylaprpgja

result:

ok 

Test #148:

score: 0
Accepted
time: 1ms
memory: 3808kb

input:

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

output:

palarfatuanaanfawgva

result:

ok 

Test #149:

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

input:

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

output:

mccaajlaoswmmqadaada

result:

ok 

Test #150:

score: 0
Accepted
time: 2ms
memory: 3944kb

input:

38 99
amimobtouampmyfcupgtlsdjbtftablgthpaamgzurxxpzhqmahepdflzsnsiwgepjejgzvlbndsilxrhegxmxofimocmhunwvn YYYGYYYYYYBYBYYYYYYYYYYYYYYYYGYYYYYYBBYYYYYYBYYYBBBYBYBBYYYBYYYYBYYYYYYBBYYBBBGYBYYYBBYBBBYYBBYYYYB
gyzmrybfmjlbxvzqqdbekapnixntkelxammnjmqzppfyfiarfhjrfvzsfsdfwmxyhnaeqktbysrtzteeutpvldzyuldvlq...

output:

ozzmbjrwthdfoglrdgyontgctxcetbbepvguvadapjtccuewocsirztzmxenjfuarscorncaclzjvjxtxgivvqtyrwegedvwhpu

result:

ok 

Test #151:

score: 0
Accepted
time: 0ms
memory: 3836kb

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:

auglmapata

result:

ok 

Test #152:

score: 0
Accepted
time: 7ms
memory: 4508kb

input:

315 300
azzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz...

output:

aabjfauaaoaauaathaueadaedaddacauaaaaaaejhdedatqaeeauaaggaaauicahuaaaaaagomgawahmagajaaijaaaiiaaaaakabaakaiimammnajkalkcaataollaellmpaaxannaaanaakkanaaanaaaaapanjaajoappkqasaoqajqooaastrkarrauasxavacxaxawryasanvtwwavawataxtaaaawlabxguaetauaxaaeayaadxaxyayavcaaasdjaayfaadaafakulauacaaaamuaaeuawsoaiaaa

result:

ok 

Test #153:

score: 0
Accepted
time: 1ms
memory: 3768kb

input:

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

output:

aaaaacegoaaeavtagaaa

result:

ok 

Test #154:

score: 0
Accepted
time: 1ms
memory: 3836kb

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:

aaanraacve

result:

ok 

Test #155:

score: 0
Accepted
time: 1ms
memory: 3852kb

input:

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

output:

saasamkaxaaidaadarka

result:

ok 

Test #156:

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

input:

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

output:

fphgaosaaaanaayaaaos

result:

ok 

Test #157:

score: 0
Accepted
time: 1ms
memory: 3804kb

input:

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

output:

ofebtaaaaxopasapnnvb

result:

ok 

Test #158:

score: 0
Accepted
time: 1ms
memory: 3868kb

input:

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

output:

aalokaaryxadaasmkdfk

result:

ok 

Test #159:

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

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:

aadrvquhaa

result:

ok 

Test #160:

score: 0
Accepted
time: 1ms
memory: 3876kb

input:

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

output:

dbcdefghijklmnopqrstuvwxydadddddddd

result:

ok 

Test #161:

score: 0
Accepted
time: 1ms
memory: 3748kb

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: 0ms
memory: 3880kb

input:

27 50
iiiiiiiiriiiiiirirrirriiiiiiriiiriiiiiiiriiiiiirii BBBBBBBBYBBBBBBYBYYBYYBBBBBBYBBBYBBBBBBBYBBBBBBYBB
iiiiiiiixiiiiiixixxixxiiiiiixiiixiiiiiiixiiiiiixii BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB
iiiiiiiifiiiiiififfiffiiiiiifiiifiiiiiiifiiiiiifii BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB...

output:

rrrrrrrrcrrrrrrcrccrccrrrrrrcrrrcrrrrrrrcrrrrrrcrr

result:

ok 

Test #163:

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

input:

27 100
wwwwzwwwzwwwzzwwwwwwzzzzwzwzzzzzwzwwzzwwwzwzwzwwwwzzzwwzzzwzwwzzzwzwzwzwwzwwzzzzwzzzwzwzzzzwzzwwzzww YYYYBYYYBYYYBBYYYYYYBBBBYBYBBBBBYBYYBBYYYBYBYBYYYYBBBYYBBBYBYYBBBYBYBYBYYBYYBBBBYBBBYBYBBBBYBBYYBBYY
hhhhzhhhzhhhzzhhhhhhzzzzhzhzzzzzhzhhzzhhhzhzhzhhhhzzzhhzzzhzhhzzzhzhzhzhhzhhzzzzhzzzhzhzzzz...

output:

bbbbwbbbwbbbwwbbbbbbwwwwbwbwwwwwbwbbwwbbbwbwbwbbbbwwwbbwwwbwbbwwwbwbwbwbbwbbwwwwbwwwbwbwwwwbwwbbwwbb

result:

ok 

Test #164:

score: 0
Accepted
time: 6ms
memory: 4120kb

input:

27 500
uuuuuuuuuuuuuuuuunuuuuuuuuuuuuuuuunuuuunuuuuuuuuuuuuuuuuuuuuuunuuunuunnnuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuunuuuuunuuuuuuuunnnnuuuuuuunuunuunuuuuuuuuuuuuuunuuuuuuuuuuuuuuuuuuuuuuuuunuuuuuunuuuuunuuuuunuuuuunuuuuuuuuuuuunuuuuuuuuuuuuunuuuuuuuuuuununuunuuunuunuuuuuuuuuuuuuuuuuunuuuuuuuuuuuuuuu...

output:

nnnnnnnnnnnnnnnnnlnnnnnnnnnnnnnnnnlnnnnlnnnnnnnnnnnnnnnnnnnnnnlnnnlnnlllnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnlnnnnnlnnnnnnnnllllnnnnnnnlnnlnnlnnnnnnnnnnnnnnlnnnnnnnnnnnnnnnnnnnnnnnnnlnnnnnnlnnnnnlnnnnnlnnnnnlnnnnnnnnnnnnlnnnnnnnnnnnnnlnnnnnnnnnnnlnlnnlnnnlnnlnnnnnnnnnnnnnnnnnnlnnnnnnnnnnnnnnnlnlnnnn...

result:

ok