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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#515894#6396. Puzzle: KusabiZhangYiDeAC ✓39ms20996kbC++172.0kb2024-08-12 10:56:052024-08-12 10:56:06

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 1ms
memory: 7712kb

input:

8
2 1 -
3 1 -
4 2 Tong
5 2 Tong
6 3 Duan
7 3 -
8 7 Chang

output:

YES
5 4
8 6

result:

ok Correct.

Test #2:

score: 0
Accepted
time: 0ms
memory: 7780kb

input:

10
2 1 Duan
3 2 Duan
4 2 -
5 4 Chang
6 2 Chang
7 1 Duan
8 6 Tong
9 6 Tong
10 3 Chang

output:

YES
10 3
9 8
6 2
5 7

result:

ok Correct.

Test #3:

score: 0
Accepted
time: 1ms
memory: 9752kb

input:

2
2 1 Tong

output:

NO

result:

ok Correct.

Test #4:

score: 0
Accepted
time: 35ms
memory: 11052kb

input:

100000
2 1 Duan
3 1 Duan
4 3 -
5 4 Duan
6 3 -
7 4 Duan
8 4 -
9 8 -
10 7 Duan
11 9 -
12 7 Duan
13 7 Duan
14 8 Duan
15 13 -
16 10 Duan
17 11 Duan
18 12 -
19 1 Duan
20 5 Duan
21 4 Duan
22 14 Duan
23 16 -
24 22 Duan
25 16 Duan
26 13 -
27 13 -
28 17 -
29 5 Duan
30 22 -
31 23 -
32 9 Duan
33 5 -
34 30 Duan...

output:

YES
56115 46666
88119 38802
93143 10006
31531 76473
42604 15988
30148 6569
11412 2008
64525 46703
71289 70618
81204 47748
42353 20514
97634 46131
83516 82155
66867 62410
15712 9975
4978 3205
83026 5622
48783 10902
82167 30893
93809 65878
66951 33377
94549 66936
79128 64411
22475 8453
54702 36857
905...

result:

ok Correct.

Test #5:

score: 0
Accepted
time: 22ms
memory: 10204kb

input:

100000
2 1 -
3 2 -
4 3 -
5 4 -
6 4 -
7 6 -
8 7 -
9 5 -
10 9 -
11 10 -
12 6 -
13 12 -
14 11 -
15 9 -
16 14 -
17 16 -
18 10 -
19 15 -
20 13 -
21 20 -
22 17 -
23 22 -
24 22 Duan
25 11 -
26 12 -
27 20 -
28 18 -
29 28 -
30 16 -
31 28 -
32 30 -
33 31 -
34 28 -
35 34 -
36 35 -
37 22 -
38 34 -
39 38 -
40 35...

output:

YES
28541 5203
5981 8106
7900 7551
53424 47998
86909 91669
40295 72002
65376 32334
95652 57528
91216 66693
98194 88445
54118 44959
76761 74202
71470 64661
85084 30271
60344 41192
41421 10342
79425 12876
35989 25933
41959 39297
94979 46303
46189 10581
51797 14956
82599 41806
60566 26090
94132 48923
7...

result:

ok Correct.

Test #6:

score: 0
Accepted
time: 39ms
memory: 10248kb

input:

100000
2 1 -
3 2 -
4 3 Duan
5 4 Chang
6 5 Duan
7 6 Chang
8 7 Duan
9 8 Chang
10 9 Duan
11 10 Chang
12 11 Duan
13 12 Chang
14 12 Duan
15 14 Chang
16 15 Tong
17 15 Tong
18 17 Duan
19 18 Duan
20 19 Chang
21 18 Duan
22 21 Duan
23 18 Chang
24 21 -
25 24 Duan
26 25 Chang
27 26 Duan
28 27 Chang
29 26 Duan
3...

output:

YES
20 19
65 55
53 52
48 46
36 35
34 22
61 58
57 56
1206 1097
1593 1522
1938 1890
1365 1217
1295 1191
2188 2158
2845 1764
1408 1646
5721 3147
2810 2746
3194 2937
2710 2399
3778 3657
3580 2668
2259 2179
2174 2122
2379 2204
2449 2392
2499 2218
2369 2233
2077 2020
8244 9174
15184 14498
15193 14362
1069...

result:

ok Correct.

Test #7:

score: 0
Accepted
time: 28ms
memory: 10856kb

input:

100000
2 1 -
3 2 -
4 3 -
5 4 -
6 5 -
7 6 -
8 7 -
9 8 -
10 9 Duan
11 10 -
12 11 Chang
13 12 Duan
14 13 Chang
15 14 -
16 15 -
17 16 Duan
18 17 Chang
19 17 -
20 19 -
21 20 -
22 21 -
23 22 -
24 23 -
25 24 -
26 25 Duan
27 26 -
28 27 Duan
29 28 -
30 29 Chang
31 28 -
32 31 Chang
33 32 -
34 32 -
35 34 -
36 ...

output:

YES
85 81
107 105
117 103
172 168
275 273
333 321
384 369
327 314
463 433
437 429
588 543
639 667
1273 1167
1375 1160
1176 1117
1021 995
929 926
1059 832
1242 1196
1329 1328
1259 1254
1213 1194
1275 1150
1689 1521
1620 1424
1229 1226
1277 1134
1099 915
1237 1218
1358 1316
1350 1284
2524 2462
2335 21...

result:

ok Correct.

Test #8:

score: 0
Accepted
time: 33ms
memory: 11168kb

input:

100000
2 1 -
3 2 -
4 3 -
5 4 -
6 5 Duan
7 6 -
8 7 -
9 8 -
10 9 Chang
11 10 -
12 11 Duan
13 12 Chang
14 13 -
15 14 Duan
16 15 Chang
17 16 -
18 17 -
19 18 Duan
20 19 -
21 20 -
22 21 -
23 22 Chang
24 23 -
25 24 Duan
26 25 -
27 26 Chang
28 27 -
29 28 -
30 29 -
31 30 Duan
32 31 -
33 32 -
34 33 -
35 34 -
...

output:

YES
69 68
120 118
237 227
225 221
266 265
323 314
309 304
346 343
352 345
341 338
350 347
401 392
439 436
471 469
474 473
472 463
482 480
499 495
483 477
570 567
613 604
588 584
577 576
744 738
743 739
732 730
851 848
841 809
886 881
930 911
951 947
1029 1007
1002 964
958 946
919 914
942 939
959 952...

result:

ok Correct.

Test #9:

score: 0
Accepted
time: 31ms
memory: 10812kb

input:

100000
2 1 -
3 2 -
4 3 -
5 4 -
6 5 Duan
7 6 -
8 7 -
9 8 Chang
10 9 -
11 10 Duan
12 11 -
13 12 Chang
14 13 Duan
15 14 -
16 15 Chang
17 16 -
18 17 Duan
19 18 -
20 19 Chang
21 20 Duan
22 21 Chang
23 22 -
24 23 Duan
25 24 Chang
26 25 Duan
27 26 -
28 27 -
29 28 Chang
30 29 Duan
31 30 Chang
32 31 -
33 32 ...

output:

YES
239 238
274 272
344 343
416 415
433 432
478 477
515 512
544 539
582 579
633 631
711 700
724 717
730 719
787 784
782 780
773 772
783 777
831 830
821 824
816 810
849 845
860 858
872 868
897 895
894 876
871 873
936 929
999 986
984 981
980 976
966 964
955 950
967 958
977 968
997 996
995 993
1039 103...

result:

ok Correct.

Test #10:

score: 0
Accepted
time: 22ms
memory: 11408kb

input:

100000
2 1 -
3 2 -
4 3 -
5 4 -
6 5 -
7 6 -
8 7 -
9 8 -
10 9 -
11 10 -
12 11 -
13 12 -
14 13 -
15 14 -
16 15 -
17 16 -
18 17 -
19 18 -
20 19 -
21 20 -
22 21 -
23 22 -
24 23 -
25 24 -
26 25 -
27 26 -
28 27 -
29 28 -
30 29 -
31 30 -
32 31 -
33 32 -
34 33 -
35 34 -
36 35 -
37 36 -
38 37 -
39 38 -
40 39 ...

output:

YES
4986 4915
6738 6570
14195 13597
22308 22019
31800 31792
38186 38225
43898 43803
41864 41995
42725 42327
43871 43807
43953 43542
46361 46356
47755 47608
47521 46932
46885 44955
48399 48486
50116 49839
49912 49668
54823 53355
54714 54273
54239 53853
52947 52524
57456 55640
58348 58053
59658 59228
...

result:

ok Correct.

Test #11:

score: 0
Accepted
time: 25ms
memory: 9580kb

input:

100000
2 1 -
3 1 -
4 2 -
5 1 -
6 1 -
7 2 Duan
8 4 -
9 1 -
10 1 -
11 2 -
12 2 -
13 2 -
14 6 -
15 1 -
16 6 -
17 1 -
18 5 -
19 1 -
20 1 -
21 2 -
22 8 -
23 6 -
24 1 -
25 4 Duan
26 1 -
27 10 -
28 1 -
29 8 -
30 5 -
31 7 -
32 2 -
33 3 -
34 12 -
35 3 -
36 1 -
37 12 -
38 8 -
39 8 -
40 1 -
41 4 -
42 16 -
43 8...

output:

YES
34406 34242
23870 14906
79207 28768
68052 50509
70759 32304
70523 36687
68751 36153
47669 3567
70173 18177
58218 50978
27598 56574
46683 6904
79895 47073
85751 4139
83196 17677
90916 65881
67031 44928
49996 25922
95211 28068
69374 43712
84697 19260
70765 32128
79850 30451
92289 12144
99611 51006...

result:

ok Correct.

Test #12:

score: 0
Accepted
time: 24ms
memory: 10072kb

input:

100000
2 1 -
3 1 -
4 1 -
5 1 -
6 1 -
7 1 -
8 1 -
9 1 -
10 3 -
11 1 -
12 2 -
13 2 -
14 2 -
15 1 -
16 2 -
17 2 -
18 1 -
19 1 -
20 1 -
21 2 -
22 1 -
23 2 -
24 2 -
25 1 -
26 1 -
27 4 -
28 1 -
29 2 -
30 3 -
31 1 -
32 10 -
33 6 -
34 4 -
35 1 -
36 2 Duan
37 1 -
38 4 -
39 10 -
40 1 -
41 1 -
42 3 -
43 6 -
44...

output:

YES
66302 15102
40113 37177
67876 67735
98880 70745
84740 75547
71830 88398
85699 62593
71970 6455
94458 21755
74239 39981
71421 13515
71660 37672
91238 90862
42744 19470
72747 13573
81223 10218
87004 15063
19357 4280
44673 6427
92721 68085
33161 17731
45357 358
65914 49326
93622 45470
91832 15964
9...

result:

ok Correct.

Test #13:

score: 0
Accepted
time: 27ms
memory: 9892kb

input:

100000
2 1 Duan
3 1 Duan
4 1 Duan
5 1 Duan
6 1 Duan
7 1 -
8 1 Duan
9 1 Duan
10 1 -
11 1 Duan
12 1 -
13 1 Duan
14 1 Duan
15 1 Duan
16 1 Duan
17 1 Duan
18 2 -
19 1 Duan
20 1 Duan
21 2 -
22 2 Duan
23 1 Duan
24 1 Duan
25 1 Duan
26 1 Duan
27 2 Duan
28 1 Duan
29 2 Duan
30 1 Duan
31 2 Duan
32 1 -
33 1 Duan...

output:

YES
95158 63894
88086 88697
75216 85544
72642 73765
69085 72241
61983 14063
54430 55203
41588 50491
38849 40110
27596 34955
15274 1136
18595 10786
24025 21493
30164 25178
40282 30800
52476 50699
76452 59910
86389 79238
96792 91441
30463 1197
46043 34098
49151 47433
57549 56601
65754 59254
87547 6698...

result:

ok Correct.

Test #14:

score: 0
Accepted
time: 19ms
memory: 8980kb

input:

100000
2 1 -
3 1 -
4 1 -
5 1 -
6 1 -
7 1 -
8 1 -
9 1 -
10 1 -
11 1 -
12 1 -
13 1 Duan
14 1 -
15 1 -
16 1 -
17 1 -
18 1 -
19 1 -
20 1 -
21 1 -
22 1 -
23 1 -
24 1 -
25 1 -
26 1 -
27 1 -
28 1 -
29 1 Duan
30 1 -
31 1 -
32 2 Duan
33 1 -
34 1 -
35 1 Duan
36 1 -
37 1 -
38 1 -
39 1 -
40 1 -
41 1 -
42 1 -
43...

output:

YES
62964 51260
73003 64799
98672 87232
38059 31245
58383 47626
82570 78385
91105 84269
90700 67893
97507 95599
96567 51711
84425 2480
97467 90521
97387 3614
20327 52378
31941 24851
35502 34768
37919 36133
41305 38081
47134 46820
18144 51834
53825 52602
63344 60150
68450 65516
84495 79862
90845 8874...

result:

ok Correct.

Test #15:

score: 0
Accepted
time: 21ms
memory: 9620kb

input:

100000
2 1 Duan
3 1 -
4 1 -
5 1 Duan
6 1 -
7 1 -
8 1 -
9 1 -
10 1 -
11 1 -
12 1 -
13 1 -
14 1 -
15 1 -
16 1 -
17 1 -
18 1 -
19 1 -
20 1 -
21 1 -
22 1 -
23 1 -
24 1 -
25 1 -
26 1 -
27 1 -
28 1 -
29 1 -
30 1 -
31 1 -
32 1 -
33 1 Duan
34 1 -
35 1 -
36 1 -
37 1 -
38 1 -
39 1 -
40 1 -
41 1 -
42 1 -
43 1 ...

output:

YES
97806 51853
81679 89831
62015 70717
59449 60751
54934 56321
53261 54125
49313 24271
46496 49018
39709 43803
38753 39458
38484 38738
32530 37384
99744 58304
97190 99690
88437 93135
73977 76662
71317 73029
61172 68370
58424 61007
57761 18859
55259 57280
46485 54712
43694 44356
34688 39921
30675 33...

result:

ok Correct.

Test #16:

score: 0
Accepted
time: 21ms
memory: 9712kb

input:

100000
2 1 Duan
3 1 Duan
4 1 -
5 1 Duan
6 1 -
7 1 Duan
8 1 Duan
9 1 Duan
10 1 Duan
11 1 -
12 1 -
13 1 -
14 1 Duan
15 1 Duan
16 1 Duan
17 1 -
18 1 Duan
19 1 Duan
20 1 Duan
21 1 -
22 1 -
23 1 Duan
24 1 Duan
25 1 Duan
26 1 -
27 1 -
28 1 Duan
29 1 Duan
30 1 -
31 1 Duan
32 1 Duan
33 1 -
34 1 Duan
35 1 -
...

output:

YES
82705 336
72014 60220
95022 80211
94029 93125
85950 59250
89854 77242
61755 56243
86382 80147
91748 86818
37709 408
89771 87876
83493 452
97158 481
92488 614
95750 824
31237 30379
31062 31218
30964 31048
30850 30860
30666 30689
30487 30642
30316 31450
30147 30298
29748 29890
29652 29745
29618 29...

result:

ok Correct.

Test #17:

score: 0
Accepted
time: 26ms
memory: 10592kb

input:

100000
2 1 -
3 1 -
4 2 -
5 2 -
6 2 Duan
7 3 -
8 1 -
9 1 -
10 6 -
11 3 -
12 2 -
13 7 -
14 1 -
15 9 -
16 11 -
17 13 -
18 9 -
19 16 -
20 19 -
21 8 -
22 5 -
23 14 -
24 21 -
25 21 -
26 16 -
27 5 -
28 5 -
29 19 -
30 8 -
31 24 -
32 30 -
33 12 Duan
34 9 -
35 12 Duan
36 6 -
37 15 -
38 26 -
39 29 -
40 13 -
41...

output:

NO

result:

ok Correct.

Test #18:

score: 0
Accepted
time: 34ms
memory: 11896kb

input:

100000
2 1 Duan
3 2 Duan
4 3 -
5 3 Duan
6 4 -
7 4 Duan
8 3 Duan
9 2 -
10 4 Duan
11 8 Duan
12 6 -
13 3 Duan
14 6 Duan
15 7 Duan
16 6 Duan
17 14 Tong
18 7 -
19 16 Duan
20 14 Duan
21 12 Duan
22 20 Duan
23 14 Duan
24 19 -
25 2 Duan
26 22 -
27 24 Duan
28 8 Duan
29 4 Duan
30 23 Duan
31 24 Duan
32 23 Duan
...

output:

NO

result:

ok Correct.

Test #19:

score: 0
Accepted
time: 31ms
memory: 10892kb

input:

100000
2 1 -
3 2 -
4 3 -
5 4 -
6 5 -
7 4 -
8 7 -
9 8 -
10 9 -
11 10 Duan
12 9 -
13 12 -
14 12 -
15 10 -
16 8 -
17 13 -
18 10 -
19 14 -
20 13 -
21 19 -
22 19 Duan
23 11 -
24 23 Duan
25 23 -
26 5 -
27 22 -
28 22 Duan
29 17 -
30 29 -
31 29 -
32 17 -
33 27 -
34 33 Duan
35 31 -
36 24 -
37 34 -
38 37 -
39...

output:

NO

result:

ok Correct.

Test #20:

score: 0
Accepted
time: 25ms
memory: 10940kb

input:

100000
2 1 Duan
3 2 Chang
4 3 -
5 4 -
6 5 -
7 6 Duan
8 7 -
9 8 Chang
10 9 Duan
11 10 Chang
12 11 -
13 12 Duan
14 13 Chang
15 13 -
16 15 -
17 15 -
18 15 Duan
19 18 -
20 19 Duan
21 19 Chang
22 20 -
23 22 -
24 21 Duan
25 23 -
26 22 -
27 25 Chang
28 26 -
29 28 Duan
30 24 Chang
31 28 -
32 23 -
33 28 -
34...

output:

NO

result:

ok Correct.

Test #21:

score: 0
Accepted
time: 33ms
memory: 10916kb

input:

100000
2 1 Duan
3 2 Chang
4 3 -
5 4 -
6 5 Duan
7 6 -
8 7 -
9 8 Chang
10 9 Duan
11 10 Chang
12 11 Duan
13 12 Chang
14 12 -
15 14 -
16 15 Duan
17 16 Chang
18 17 -
19 17 Duan
20 19 -
21 19 Chang
22 21 -
23 21 Duan
24 23 Duan
25 24 Chang
26 24 Chang
27 24 Duan
28 27 -
29 28 Chang
30 28 Duan
31 30 -
32 3...

output:

NO

result:

ok Correct.

Test #22:

score: 0
Accepted
time: 30ms
memory: 11880kb

input:

100000
2 1 Duan
3 2 Chang
4 3 Duan
5 4 -
6 5 Chang
7 6 -
8 7 Duan
9 8 -
10 9 Chang
11 10 Duan
12 11 Chang
13 12 -
14 13 Duan
15 14 -
16 15 Chang
17 16 -
18 17 Duan
19 18 -
20 19 -
21 20 -
22 21 Chang
23 22 -
24 23 Duan
25 24 Chang
26 25 -
27 26 Duan
28 27 -
29 28 Chang
30 28 Duan
31 30 -
32 31 Chang...

output:

NO

result:

ok Correct.

Test #23:

score: 0
Accepted
time: 26ms
memory: 11340kb

input:

100000
2 1 Duan
3 2 -
4 3 -
5 4 -
6 5 -
7 6 -
8 7 -
9 8 -
10 9 -
11 10 -
12 11 Chang
13 12 Duan
14 13 -
15 14 -
16 15 Chang
17 16 Duan
18 17 Chang
19 18 -
20 19 -
21 20 -
22 21 -
23 22 -
24 23 -
25 24 -
26 25 Duan
27 26 -
28 27 -
29 28 -
30 29 -
31 30 -
32 31 -
33 32 -
34 33 Chang
35 34 -
36 35 -
37...

output:

NO

result:

ok Correct.

Test #24:

score: 0
Accepted
time: 30ms
memory: 11360kb

input:

100000
2 1 -
3 2 -
4 3 -
5 4 -
6 5 Duan
7 6 -
8 7 Chang
9 8 -
10 9 -
11 10 -
12 11 -
13 12 -
14 13 Duan
15 14 -
16 15 Chang
17 16 -
18 17 -
19 18 -
20 19 Duan
21 20 -
22 21 -
23 22 -
24 23 Chang
25 24 -
26 25 Duan
27 26 Chang
28 27 Duan
29 28 -
30 29 -
31 30 -
32 31 Chang
33 32 Duan
34 33 -
35 34 -
...

output:

NO

result:

ok Correct.

Test #25:

score: 0
Accepted
time: 27ms
memory: 11352kb

input:

100000
2 1 Duan
3 1 -
4 1 -
5 1 -
6 3 -
7 2 -
8 2 -
9 4 -
10 1 -
11 2 -
12 3 Duan
13 2 -
14 4 -
15 3 -
16 3 -
17 2 -
18 2 -
19 1 -
20 7 Duan
21 1 -
22 15 -
23 6 -
24 1 -
25 8 -
26 11 -
27 5 -
28 16 -
29 17 -
30 16 -
31 3 -
32 7 -
33 3 Duan
34 7 Duan
35 3 -
36 8 -
37 6 -
38 16 -
39 3 -
40 3 -
41 11 -...

output:

NO

result:

ok Correct.

Test #26:

score: 0
Accepted
time: 22ms
memory: 9204kb

input:

100000
2 1 -
3 1 -
4 1 -
5 1 -
6 1 -
7 1 Duan
8 1 -
9 1 -
10 1 -
11 3 -
12 2 -
13 1 -
14 1 -
15 1 -
16 2 -
17 1 Duan
18 3 -
19 1 -
20 1 Duan
21 8 -
22 2 -
23 3 -
24 3 Duan
25 1 -
26 1 -
27 1 -
28 1 -
29 4 -
30 1 -
31 3 -
32 3 -
33 3 -
34 2 -
35 1 -
36 1 Duan
37 1 -
38 3 -
39 2 -
40 4 -
41 2 Duan
42 ...

output:

NO

result:

ok Correct.

Test #27:

score: 0
Accepted
time: 24ms
memory: 9864kb

input:

100000
2 1 Duan
3 1 Duan
4 1 Duan
5 1 Duan
6 1 Duan
7 1 Duan
8 1 Duan
9 1 Duan
10 1 Duan
11 1 Duan
12 1 Duan
13 1 Duan
14 2 Duan
15 1 Duan
16 1 Duan
17 1 Duan
18 2 Duan
19 1 Duan
20 1 -
21 1 Duan
22 1 Duan
23 1 Duan
24 1 Duan
25 1 Duan
26 1 Duan
27 2 Duan
28 1 Duan
29 1 Duan
30 1 -
31 1 Duan
32 1 Du...

output:

NO

result:

ok Correct.

Test #28:

score: 0
Accepted
time: 25ms
memory: 8980kb

input:

100000
2 1 -
3 1 Duan
4 1 -
5 1 -
6 1 -
7 1 Duan
8 1 -
9 1 Duan
10 1 -
11 1 Duan
12 1 Duan
13 1 Duan
14 1 Duan
15 1 Duan
16 1 -
17 1 Duan
18 1 Duan
19 1 Duan
20 1 Duan
21 1 -
22 1 -
23 1 Duan
24 1 -
25 1 Duan
26 1 Duan
27 1 Duan
28 1 Duan
29 1 Duan
30 1 Duan
31 1 Duan
32 1 -
33 1 -
34 1 Duan
35 1 Du...

output:

NO

result:

ok Correct.

Test #29:

score: 0
Accepted
time: 25ms
memory: 9856kb

input:

100000
2 1 Duan
3 1 Duan
4 1 Duan
5 1 Duan
6 1 Duan
7 1 Duan
8 1 -
9 1 Duan
10 1 Duan
11 1 Duan
12 1 -
13 1 Duan
14 1 Duan
15 1 Duan
16 1 Duan
17 1 Duan
18 1 Duan
19 1 Duan
20 1 -
21 1 -
22 1 Duan
23 1 -
24 1 Duan
25 1 Duan
26 1 Duan
27 1 Duan
28 1 Duan
29 1 Duan
30 1 Duan
31 1 Duan
32 1 Duan
33 1 -...

output:

NO

result:

ok Correct.

Test #30:

score: 0
Accepted
time: 25ms
memory: 8860kb

input:

100000
2 1 Duan
3 1 -
4 1 Duan
5 1 Duan
6 1 Duan
7 1 Duan
8 1 Duan
9 1 Duan
10 1 Duan
11 1 Duan
12 1 Duan
13 1 Duan
14 1 Duan
15 1 Duan
16 1 Duan
17 1 Duan
18 1 Duan
19 1 -
20 1 Duan
21 1 Duan
22 1 Duan
23 1 Duan
24 1 Duan
25 1 Duan
26 1 Duan
27 1 Duan
28 1 -
29 1 Duan
30 1 Duan
31 1 Duan
32 1 -
33 ...

output:

NO

result:

ok Correct.

Test #31:

score: 0
Accepted
time: 27ms
memory: 20996kb

input:

100000
2 1 Duan
3 2 -
4 3 Chang
5 4 -
6 5 Duan
7 6 Chang
8 7 -
9 8 -
10 9 Duan
11 10 Chang
12 11 Duan
13 12 Chang
14 13 Duan
15 14 Chang
16 15 -
17 16 -
18 17 -
19 18 Duan
20 19 -
21 20 -
22 21 Chang
23 22 Duan
24 23 Chang
25 24 -
26 25 Duan
27 26 Chang
28 27 Duan
29 28 -
30 29 Chang
31 30 Duan
32 3...

output:

YES
27102 27101
29450 29449
30582 30581
31109 31108
33545 33544
34349 34348
35395 35394
35627 35626
35742 35741
36326 36325
36980 36979
37026 37025
37781 37780
37917 37916
38566 38565
38779 38778
38884 38882
39163 39162
39441 39440
39610 39609
39689 39688
39924 39923
39995 39994
40981 40980
41018 41...

result:

ok Correct.

Test #32:

score: 0
Accepted
time: 20ms
memory: 9200kb

input:

100000
2 1 Duan
3 1 -
4 1 -
5 1 -
6 1 -
7 1 -
8 1 -
9 1 -
10 1 -
11 1 -
12 1 Tong
13 1 -
14 1 -
15 1 -
16 1 Tong
17 1 -
18 1 -
19 1 -
20 1 -
21 1 -
22 1 Tong
23 1 -
24 1 -
25 1 -
26 1 -
27 1 -
28 1 -
29 1 -
30 1 -
31 1 -
32 1 -
33 1 -
34 1 -
35 1 -
36 1 -
37 1 -
38 1 Tong
39 1 -
40 1 -
41 1 -
42 1 -...

output:

YES
84085 83748
84039 84052
84021 84036
83963 83989
83892 83894
83862 83875
83778 83794
83732 84100
83697 83710
83646 83679
83589 83641
83505 83567
83382 83453
83339 83381
84988 84510
84948 84986
84880 84886
84830 84874
84706 84731
84652 84680
84567 84592
84494 83330
84459 84484
84340 84457
84310 84...

result:

ok Correct.

Test #33:

score: 0
Accepted
time: 23ms
memory: 10456kb

input:

93284
2 1 -
3 1 Duan
4 2 -
5 4 -
6 2 -
7 4 Duan
8 1 -
9 4 -
10 4 Duan
11 6 -
12 7 -
13 6 -
14 1 Duan
15 4 -
16 9 -
17 12 -
18 15 -
19 6 Duan
20 1 -
21 15 -
22 2 -
23 5 Duan
24 7 -
25 22 -
26 13 -
27 12 -
28 6 -
29 27 Duan
30 7 Duan
31 9 -
32 14 -
33 3 -
34 21 -
35 18 -
36 35 -
37 7 -
38 17 Duan
39 2...

output:

YES
44871 9427
75107 58881
33984 7193
33178 9737
89725 31043
50618 31602
88133 870
58845 52086
63567 21758
85296 16605
28152 44633
65095 2705
90927 18041
56227 42717
88253 10288
61450 16710
71661 49645
48970 30561
37354 20860
34821 31734
29953 37862
80450 37189
93257 56610
30431 14996
91146 42455
59...

result:

ok Correct.

Test #34:

score: 0
Accepted
time: 36ms
memory: 10508kb

input:

92284
2 1 Duan
3 2 -
4 3 Duan
5 2 Duan
6 3 -
7 4 Duan
8 6 Duan
9 4 Duan
10 6 Duan
11 4 Duan
12 8 Chang
13 1 Duan
14 5 Duan
15 5 -
16 15 Duan
17 15 Duan
18 13 Chang
19 12 Duan
20 4 -
21 1 Duan
22 17 Duan
23 2 Duan
24 14 Duan
25 17 Duan
26 22 Duan
27 4 -
28 26 Duan
29 9 Duan
30 15 Duan
31 3 Duan
32 7 ...

output:

YES
51080 17459
32219 16873
56156 11101
74549 52633
82117 51694
38566 32559
48460 186
41891 25888
84667 83294
87183 52019
88982 77715
78351 13583
87627 83209
62069 46901
86376 8557
3604 986
83765 79770
80461 49864
74127 22996
69795 42259
61472 91303
35154 29187
25303 15829
62442 27245
52319 171
8444...

result:

ok Correct.

Test #35:

score: 0
Accepted
time: 30ms
memory: 9948kb

input:

93444
2 1 -
3 1 Duan
4 1 Duan
5 2 -
6 4 -
7 3 -
8 6 Duan
9 6 Duan
10 9 -
11 2 -
12 1 -
13 11 -
14 5 -
15 14 Duan
16 11 -
17 16 -
18 4 -
19 7 Duan
20 15 -
21 17 -
22 21 -
23 20 -
24 23 Duan
25 7 -
26 14 Duan
27 18 -
28 13 Duan
29 2 Duan
30 19 Duan
31 5 -
32 7 Duan
33 23 Duan
34 17 Duan
35 2 Duan
36 2...

output:

YES
63791 54500
49024 4643
55459 37302
33770 26344
81449 28229
87768 65404
33539 24623
82147 51327
70787 90272
14888 9603
47877 47285
40135 29487
4308 353
34651 72113
58261 41429
64780 22648
68254 81320
57783 50381
85526 25357
76795 43913
41202 34185
46835 41133
54622 140
76020 10796
1923 47575
8801...

result:

ok Correct.

Test #36:

score: 0
Accepted
time: 39ms
memory: 11400kb

input:

98244
2 1 Duan
3 1 Duan
4 3 Duan
5 4 Duan
6 4 Duan
7 4 Duan
8 5 Duan
9 8 Duan
10 5 Duan
11 9 Duan
12 3 Duan
13 11 Tong
14 5 Duan
15 5 Duan
16 12 Duan
17 2 Duan
18 3 Duan
19 4 Duan
20 2 Duan
21 6 Duan
22 21 Duan
23 1 -
24 15 -
25 20 Duan
26 8 Duan
27 13 Duan
28 12 Duan
29 22 Duan
30 24 Duan
31 21 Dua...

output:

YES
33409 16406
30277 15284
35906 6139
93724 58902
47922 18729
24670 20659
47533 41216
48839 84590
87728 4161
95897 74471
23810 3459
29076 9591
9185 34342
95194 80103
87229 22109
28966 14850
15423 8235
42356 13261
78438 9379
89672 35400
67130 33413
91476 9648
73800 23306
79990 877
87242 3540
94629 9...

result:

ok Correct.

Test #37:

score: 0
Accepted
time: 9ms
memory: 10264kb

input:

25284
2 1 Duan
3 2 -
4 3 -
5 3 Duan
6 2 Duan
7 3 Duan
8 1 Duan
9 5 -
10 4 -
11 5 Duan
12 4 Duan
13 1 Duan
14 4 -
15 10 Duan
16 8 -
17 13 -
18 15 -
19 12 -
20 16 Duan
21 6 Duan
22 2 Duan
23 19 -
24 12 -
25 2 -
26 19 Duan
27 5 -
28 4 -
29 9 -
30 12 Duan
31 7 Duan
32 31 -
33 21 -
34 24 Duan
35 28 Duan
...

output:

YES
14929 5340
15736 7415
23406 22917
15197 14380
24417 14590
3602 7880
15884 1894
12672 9136
5678 3206
24111 15621
20232 14368
21718 25101
7241 1931
24489 19471
23289 8812
22451 12521
1629 130
23008 21864
9095 3189
22734 15113
12465 10604
6996 6641
22852 1537
23329 765
20447 16208
18299 2439
13012 ...

result:

ok Correct.

Test #38:

score: 0
Accepted
time: 35ms
memory: 9852kb

input:

93246
2 1 Duan
3 2 Duan
4 3 Duan
5 1 -
6 4 Tong
7 4 Duan
8 4 Duan
9 8 -
10 6 Duan
11 2 Duan
12 1 Duan
13 11 Duan
14 8 Duan
15 1 Duan
16 8 Duan
17 10 Duan
18 3 Duan
19 1 Duan
20 18 Duan
21 10 Duan
22 14 Duan
23 11 Duan
24 19 Duan
25 21 Duan
26 17 Duan
27 24 Duan
28 24 Duan
29 17 Tong
30 23 Duan
31 17...

output:

YES
82440 20027
82065 37790
55902 13555
93214 9444
54322 14967
47686 8102
71322 23936
78461 77717
48337 45254
83570 52000
29015 24317
91719 723
63413 35283
89556 3250
81387 60951
76768 50544
24023 6264
92751 27168
78391 65278
46265 14547
92070 81407
69857 47136
28099 17204
33721 19861
55462 24774
84...

result:

ok Correct.

Test #39:

score: 0
Accepted
time: 36ms
memory: 10960kb

input:

99837
2 1 -
3 1 -
4 3 Duan
5 2 Duan
6 5 Duan
7 3 Duan
8 5 -
9 6 Duan
10 4 -
11 4 -
12 6 Duan
13 8 -
14 7 -
15 10 Duan
16 11 Duan
17 8 Duan
18 6 -
19 13 Duan
20 16 Duan
21 20 -
22 19 Chang
23 4 Duan
24 13 Duan
25 21 -
26 17 Duan
27 7 Duan
28 8 -
29 3 -
30 18 -
31 21 Duan
32 27 Duan
33 21 Duan
34 17 -...

output:

YES
77117 37610
30206 19111
88367 70345
36504 20744
75785 43637
79180 14266
83709 26231
85507 55639
10520 3564
21314 11286
90540 30850
56410 51043
77737 66938
89082 86756
37423 10348
81449 10238
89645 63757
42718 30451
91346 49790
74087 27842
86402 61765
73518 33536
55707 45163
33231 25335
76696 513...

result:

ok Correct.

Test #40:

score: 0
Accepted
time: 39ms
memory: 10588kb

input:

91248
2 1 Duan
3 1 Duan
4 1 Duan
5 2 Duan
6 3 Duan
7 3 Chang
8 2 Duan
9 1 Duan
10 7 Duan
11 10 Duan
12 4 Duan
13 2 Duan
14 11 Duan
15 6 Duan
16 8 Duan
17 7 Duan
18 2 Duan
19 15 Duan
20 4 Duan
21 7 Duan
22 6 Duan
23 6 Duan
24 20 Duan
25 13 Duan
26 22 Duan
27 5 Duan
28 19 Duan
29 14 Duan
30 12 -
31 8 ...

output:

YES
91137 22567
32840 6625
72793 2746
58707 49857
9195 6406
75118 17873
70816 13271
36187 35070
36004 34727
77775 60624
56136 40146
7879 3419
81884 50744
75987 35818
90945 56940
12926 1090
77013 73408
48058 45541
55452 26944
58680 55908
78364 43609
77661 45709
55964 32151
71423 12836
52096 21580
629...

result:

ok Correct.

Test #41:

score: 0
Accepted
time: 30ms
memory: 10392kb

input:

93538
2 1 -
3 2 -
4 2 -
5 3 Duan
6 4 -
7 4 -
8 2 -
9 1 -
10 7 -
11 4 Duan
12 8 -
13 9 -
14 1 Duan
15 7 Duan
16 3 -
17 5 -
18 14 Duan
19 5 -
20 7 -
21 15 Duan
22 9 -
23 8 -
24 16 Duan
25 5 Duan
26 6 Duan
27 10 -
28 7 -
29 21 Duan
30 1 -
31 18 -
32 13 -
33 6 -
34 28 -
35 16 Duan
36 32 Duan
37 22 -
38 ...

output:

YES
43838 19363
63190 42715
20329 10322
70798 78903
45972 14986
83054 62809
52182 1456
62218 19710
85461 84523
52940 12256
31914 7475
86366 39273
61296 21575
78432 12897
67416 23096
81263 61831
53716 686
31961 24734
45084 29776
70937 57302
25231 58268
85989 35275
19663 19412
70970 45326
55647 34007
...

result:

ok Correct.

Test #42:

score: 0
Accepted
time: 26ms
memory: 10400kb

input:

92384
2 1 Duan
3 2 -
4 3 Duan
5 3 Duan
6 3 -
7 2 Duan
8 1 -
9 7 Duan
10 5 Chang
11 4 -
12 3 Duan
13 7 -
14 9 Duan
15 14 Chang
16 3 Duan
17 6 Duan
18 10 Duan
19 17 Duan
20 10 -
21 2 Duan
22 10 -
23 5 Duan
24 18 -
25 11 -
26 13 Duan
27 12 Duan
28 1 -
29 18 Duan
30 28 Duan
31 28 -
32 16 -
33 27 Duan
34...

output:

YES
40387 40096
83783 43478
3917 3661
89303 50150
18917 15374
48940 34799
81225 61144
81589 63107
29948 20682
14730 1795
23638 13591
84669 2983
38473 33792
33668 26822
91365 72727
58495 52159
54079 10991
73581 69625
43086 31305
48339 39523
88518 14352
91546 65295
89085 34909
34637 3467
74155 17285
2...

result:

ok Correct.

Test #43:

score: 0
Accepted
time: 1ms
memory: 7572kb

input:

1

output:

YES

result:

ok Correct.