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#36092#4192. Index CaseZhaoZiLongAC ✓28ms3724kbC++141.6kb2022-06-24 09:55:332022-06-24 09:55:36

Details

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Test #1:

score: 100
Accepted
time: 2ms
memory: 3640kb

input:

4 2
1
2
1
2
2
1
2
1
1 2 1 2

output:

YES

result:

ok answer is YES

Test #2:

score: 0
Accepted
time: 2ms
memory: 3620kb

input:

6 2
1
2
1
2
2
1
2
1
1 2 1 2 1 2

output:

NO

result:

ok answer is NO

Test #3:

score: 0
Accepted
time: 2ms
memory: 3660kb

input:

10 2
1
2
1
1
2
2
2
2
1 2 2 2 1 2 1 2 1 2

output:

YES

result:

ok answer is YES

Test #4:

score: 0
Accepted
time: 8ms
memory: 3572kb

input:

200 10
1
7
8
5
5
3
7
5
7
4
1
10
10
4
1
2
7
7
9
4
8
7
2
7
7
5
8
6
2
4
4
10
10
10
9
8
6
5
5
8
8
1
1
8
9
5
9
4
6
9
1
6
4
1
1
10
5
2
4
4
3
10
6
9
3
2
4
2
10
10
10
6
8
4
10
9
8
7
2
9
3
7
4
8
6
3
9
9
1
3
10
2
6
10
1
1
3
3
2
1
5
9
9
10
7
8
5
5
10
1
5
8
7
2
9
8
7
1
8
6
7
8
7
2
10
1
1
1
2
7
7
9
9
9
7
5
4
3
4...

output:

NO

result:

ok answer is NO

Test #5:

score: 0
Accepted
time: 12ms
memory: 3668kb

input:

200 10
10
8
1
1
8
3
5
6
5
2
8
7
9
10
6
5
5
2
7
6
8
2
1
7
5
2
10
1
2
9
9
3
4
2
9
8
1
10
3
5
2
8
9
5
3
4
2
1
10
2
3
6
6
8
3
8
4
1
4
1
6
9
4
10
1
7
8
3
4
2
10
10
1
2
10
6
10
8
5
6
5
5
10
2
4
5
5
9
10
6
6
10
9
6
8
5
5
10
3
9
1
5
5
2
6
6
8
8
2
4
4
6
1
7
10
3
4
6
10
4
10
7
9
2
10
6
2
10
7
4
6
6
1
7
3
1
9
...

output:

YES

result:

ok answer is YES

Test #6:

score: 0
Accepted
time: 8ms
memory: 3712kb

input:

200 10
9
7
2
9
9
8
5
9
6
6
5
10
4
9
1
2
3
10
1
4
1
5
9
7
8
4
7
9
3
2
8
10
10
1
4
1
4
5
5
10
5
4
8
6
7
10
2
5
3
9
3
1
7
6
9
10
4
2
7
7
9
4
5
8
10
6
3
3
7
7
7
6
1
7
3
3
7
9
10
2
2
8
1
5
9
7
8
3
2
4
4
3
9
2
1
1
10
10
1
10
8
10
5
3
10
3
5
7
1
8
5
10
8
2
8
5
4
1
1
7
6
8
7
7
3
9
4
10
8
1
1
1
10
8
3
6
5
4
...

output:

YES

result:

ok answer is YES

Test #7:

score: 0
Accepted
time: 12ms
memory: 3636kb

input:

200 10
5
4
3
7
5
8
2
9
4
1
3
5
4
9
7
5
1
3
7
10
8
7
5
1
8
2
5
5
9
10
1
5
3
9
2
3
9
5
5
2
1
4
8
5
8
3
8
10
1
1
1
6
4
6
1
2
5
3
3
7
7
8
9
1
3
6
6
7
5
3
6
7
1
1
10
10
5
6
1
10
9
1
10
2
10
1
1
9
7
9
1
6
9
9
3
1
6
2
8
6
3
5
1
2
2
9
6
9
3
7
10
1
3
2
7
7
7
7
3
6
1
10
2
6
6
4
10
4
3
3
1
9
10
7
10
4
6
5
2
8
...

output:

YES

result:

ok answer is YES

Test #8:

score: 0
Accepted
time: 11ms
memory: 3664kb

input:

200 10
4
2
9
6
8
4
1
2
1
6
2
4
8
10
9
6
5
9
7
6
4
1
6
6
9
1
1
8
6
9
9
6
9
6
4
7
2
6
10
2
9
9
10
5
4
8
7
7
2
1
4
5
5
4
10
2
10
5
10
5
2
5
10
9
3
8
8
4
5
4
10
10
2
2
7
9
9
10
9
5
8
7
4
10
10
5
7
1
6
9
5
10
3
6
9
6
1
6
4
1
3
2
3
10
4
1
8
1
7
2
8
2
5
7
9
4
7
5
2
7
1
9
2
9
9
10
5
7
6
2
7
9
5
1
5
1
4
9
1
...

output:

YES

result:

ok answer is YES

Test #9:

score: 0
Accepted
time: 11ms
memory: 3640kb

input:

200 10
3
1
2
7
5
2
9
1
7
5
7
6
9
7
6
5
9
9
3
10
5
3
2
6
4
5
7
2
6
6
1
8
2
6
6
3
8
5
8
9
7
6
3
8
3
1
10
7
7
9
9
5
8
8
2
6
9
7
7
2
5
8
5
6
5
4
2
10
3
6
5
9
4
7
1
10
5
5
7
4
2
3
9
3
9
6
10
7
2
9
8
6
1
8
2
2
6
3
7
6
8
6
4
4
7
6
1
3
7
10
8
2
1
7
1
10
3
1
4
5
8
7
5
4
8
9
5
9
1
5
8
5
4
3
4
10
7
3
5
7
3
4
9...

output:

YES

result:

ok answer is YES

Test #10:

score: 0
Accepted
time: 12ms
memory: 3564kb

input:

200 10
2
1
5
4
6
7
5
4
9
7
1
8
7
9
9
4
1
10
1
6
8
4
2
1
9
5
5
3
2
8
9
7
9
9
9
5
6
5
8
1
7
6
5
2
6
10
6
4
7
8
1
6
1
3
10
5
9
6
8
2
8
9
3
1
8
2
10
2
3
1
5
3
3
1
2
10
3
3
8
7
9
1
9
3
2
8
3
2
7
5
7
10
4
2
4
3
9
5
10
10
7
4
2
1
1
9
7
9
9
6
7
8
8
2
3
6
6
10
7
3
7
10
5
1
9
4
5
6
5
6
1
10
8
3
2
2
3
3
9
5
8
...

output:

NO

result:

ok answer is NO

Test #11:

score: 0
Accepted
time: 12ms
memory: 3644kb

input:

200 10
8
6
6
10
2
8
6
1
5
7
10
3
1
9
6
2
9
5
2
5
4
4
6
9
2
4
5
8
2
7
10
10
9
6
4
8
8
6
5
2
2
3
1
8
4
2
2
8
2
9
10
10
7
8
3
3
3
2
2
7
9
3
6
10
2
7
8
7
2
9
1
7
6
1
2
2
5
1
5
5
6
9
5
2
7
6
1
10
4
9
2
9
7
6
2
6
6
8
2
4
4
7
6
6
4
7
10
2
5
2
1
10
1
9
2
10
2
10
6
7
2
7
3
3
10
7
5
2
1
7
9
6
7
2
10
1
6
10
5
...

output:

YES

result:

ok answer is YES

Test #12:

score: 0
Accepted
time: 7ms
memory: 3644kb

input:

200 10
5
2
6
3
3
1
8
1
8
9
1
7
10
5
5
8
10
6
2
3
9
2
8
8
4
2
10
6
5
7
4
7
5
9
5
8
7
9
1
10
1
8
5
1
2
6
4
6
5
3
7
7
4
3
8
9
8
7
3
6
8
10
5
7
4
10
4
2
5
7
8
1
4
2
8
9
6
4
3
3
4
7
4
4
2
9
4
10
3
6
8
9
7
9
5
10
6
10
5
6
9
10
4
7
6
8
6
1
9
3
4
1
10
5
1
6
4
8
6
7
7
7
4
5
8
5
3
1
6
3
9
1
10
6
5
9
7
4
8
6
6...

output:

NO

result:

ok answer is NO

Test #13:

score: 0
Accepted
time: 9ms
memory: 3668kb

input:

200 10
2
3
8
9
5
1
1
9
1
1
7
6
7
6
4
4
8
3
6
5
5
7
4
3
3
2
10
5
3
7
1
2
6
1
4
6
2
2
2
6
4
2
9
3
10
4
8
8
6
4
10
8
5
2
7
10
2
7
10
6
7
1
2
1
8
7
1
5
1
5
7
8
1
2
5
8
5
6
4
3
9
6
8
10
6
10
2
8
10
4
2
10
4
2
10
7
2
1
10
2
7
4
9
1
5
7
5
3
3
9
4
4
10
7
2
2
7
1
5
7
6
10
3
5
7
5
6
5
8
4
1
7
8
3
5
7
4
2
10
9...

output:

YES

result:

ok answer is YES

Test #14:

score: 0
Accepted
time: 9ms
memory: 3672kb

input:

200 10
3
5
7
1
3
7
9
9
3
9
1
8
9
7
9
6
9
1
1
9
1
10
2
6
9
9
6
6
9
4
7
3
4
2
5
1
5
6
2
5
5
1
6
9
7
2
10
8
9
1
10
10
6
3
6
2
3
7
3
5
1
7
5
1
3
7
10
2
6
4
6
5
3
10
7
7
2
10
8
2
10
8
7
9
9
3
6
4
4
7
6
2
6
7
7
2
10
7
7
8
8
3
7
6
10
1
3
9
8
6
7
9
3
1
6
3
2
10
9
7
1
6
2
2
5
3
10
8
6
5
10
1
9
2
6
9
9
8
9
3
...

output:

NO

result:

ok answer is NO

Test #15:

score: 0
Accepted
time: 11ms
memory: 3692kb

input:

200 10
4
8
7
9
4
6
5
8
3
2
5
1
1
4
6
4
8
5
6
8
6
8
6
5
3
6
3
8
2
5
3
10
2
8
2
9
8
8
1
2
3
1
4
10
5
1
4
3
7
10
2
9
4
10
3
8
2
7
1
1
5
1
2
9
5
2
3
2
2
1
2
10
4
5
1
6
5
4
1
10
10
6
2
10
7
4
2
8
9
2
1
2
8
5
8
6
5
9
7
4
3
5
9
6
1
9
10
10
9
10
9
2
4
9
6
10
3
1
7
3
2
7
5
4
10
10
3
8
8
4
6
9
1
4
7
5
6
7
5
8...

output:

NO

result:

ok answer is NO

Test #16:

score: 0
Accepted
time: 11ms
memory: 3568kb

input:

200 10
6
3
9
8
1
9
6
5
10
6
3
5
4
3
10
7
2
7
7
2
8
4
3
6
7
9
4
6
7
3
7
8
10
5
10
6
8
10
6
8
8
6
3
4
2
10
5
7
9
5
8
6
3
2
8
9
6
6
3
5
5
10
3
7
2
6
5
1
4
6
6
5
2
4
3
9
3
2
4
4
10
4
2
3
8
8
6
7
8
10
2
2
2
2
1
5
9
4
10
1
10
5
6
7
7
3
10
8
6
7
4
9
3
8
7
10
8
2
9
8
3
3
6
7
1
8
3
2
2
3
9
8
10
5
3
10
9
8
9
...

output:

NO

result:

ok answer is NO

Test #17:

score: 0
Accepted
time: 9ms
memory: 3712kb

input:

200 10
5
4
3
3
9
8
6
10
10
5
10
8
7
3
9
7
3
9
9
10
9
7
5
2
2
1
6
9
3
2
1
2
9
1
10
5
10
10
10
6
1
5
7
9
8
8
8
5
1
10
5
8
3
10
1
1
6
6
8
9
6
2
6
3
10
6
8
2
1
7
8
4
8
7
2
4
3
7
7
9
8
9
8
7
5
10
9
1
10
3
7
7
2
8
9
1
4
9
6
10
4
10
6
10
4
10
2
6
3
2
1
3
1
4
10
4
6
3
8
2
8
5
9
5
3
10
1
1
8
5
5
9
8
9
9
3
5
...

output:

NO

result:

ok answer is NO

Test #18:

score: 0
Accepted
time: 11ms
memory: 3644kb

input:

200 10
10
2
7
10
5
1
1
10
5
7
6
8
9
1
10
4
7
6
3
1
10
10
7
3
5
3
9
10
5
3
10
2
5
10
6
6
6
4
8
5
9
9
5
10
2
9
1
4
10
9
1
1
9
4
3
3
6
5
8
4
5
8
3
7
10
2
5
8
1
6
3
3
9
8
8
3
2
9
9
8
7
2
5
10
6
5
3
10
3
9
8
3
10
7
4
9
1
7
3
4
9
2
6
6
9
6
6
6
5
7
10
1
10
10
6
7
6
1
9
6
8
8
6
6
10
8
8
8
7
7
10
3
4
3
2
6
9...

output:

NO

result:

ok answer is NO

Test #19:

score: 0
Accepted
time: 11ms
memory: 3500kb

input:

200 10
10
3
3
1
8
7
8
5
6
2
3
10
8
8
1
1
10
8
10
2
7
10
4
10
6
10
1
9
3
8
1
5
2
5
6
6
10
10
9
8
9
9
1
9
8
1
6
4
8
6
5
2
9
5
6
4
3
1
6
7
4
4
1
8
7
10
10
2
8
1
1
5
5
8
7
4
3
3
8
10
4
3
2
5
4
7
9
3
10
1
7
9
4
10
3
1
2
2
4
5
10
4
6
7
2
3
2
8
5
6
6
1
1
9
6
7
8
1
6
3
2
7
7
6
5
6
1
5
6
4
9
4
10
6
1
4
4
9
1...

output:

NO

result:

ok answer is NO

Test #20:

score: 0
Accepted
time: 8ms
memory: 3564kb

input:

200 10
1
2
3
4
5
6
7
8
9
10
2
3
4
5
6
7
8
9
10
1
3
4
5
6
7
8
9
10
1
2
4
5
6
7
8
9
10
1
2
3
5
6
7
8
9
10
1
2
3
4
6
7
8
9
10
1
2
3
4
5
7
8
9
10
1
2
3
4
5
6
8
9
10
1
2
3
4
5
6
7
9
10
1
2
3
4
5
6
7
8
10
1
2
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5
6
7
8
9
2
3
4
5
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8
9
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1
3
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9
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1
2
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5
6
7
8
9
10
1
2
3
5
6
7
8
9
10
1
2
3
4...

output:

YES

result:

ok answer is YES

Test #21:

score: 0
Accepted
time: 12ms
memory: 3504kb

input:

200 10
1
2
3
4
5
6
7
8
9
10
2
3
4
5
6
7
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9
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1
3
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2
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5
6
7
8
9
10
1
2
3
5
6
7
8
9
10
1
2
3
4...

output:

YES

result:

ok answer is YES

Test #22:

score: 0
Accepted
time: 12ms
memory: 3568kb

input:

200 10
1
2
3
4
5
6
7
8
9
10
2
3
4
5
6
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9
10
1
3
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5
6
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8
9
10
1
2
3
5
6
7
8
9
10
1
2
3
4...

output:

YES

result:

ok answer is YES

Test #23:

score: 0
Accepted
time: 9ms
memory: 3616kb

input:

200 10
1
2
3
4
5
6
7
8
9
10
2
3
4
5
6
7
8
9
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3
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1
2
4
5
6
7
8
9
10
1
2
3
5
6
7
8
9
10
1
2
3
4...

output:

YES

result:

ok answer is YES

Test #24:

score: 0
Accepted
time: 11ms
memory: 3500kb

input:

200 10
1
2
3
4
5
6
7
8
9
10
2
3
4
5
6
7
8
9
10
1
3
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2
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3
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1
3
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9
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1
2
4
5
6
7
8
9
10
1
2
3
5
6
7
8
9
10
1
2
3
4...

output:

YES

result:

ok answer is YES

Test #25:

score: 0
Accepted
time: 12ms
memory: 3552kb

input:

200 10
1
2
3
4
5
6
7
8
9
10
2
3
4
5
6
7
8
9
10
1
3
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1
2
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10
1
2
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1
2
3
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10
1
2
3
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6
7
8
9
2
3
4
5
6
7
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9
10
1
3
4
5
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9
10
1
2
4
5
6
7
8
9
10
1
2
3
5
6
7
8
9
10
1
2
3
4...

output:

YES

result:

ok answer is YES

Test #26:

score: 0
Accepted
time: 5ms
memory: 3640kb

input:

49 7
1
2
3
4
5
6
7
2
3
4
5
6
7
1
3
4
5
6
7
1
2
4
5
6
7
1
2
3
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6
7
1
2
3
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6
7
1
2
3
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1
2
3
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3
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6
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3
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1
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3
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1
2
3
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1
2
3
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5
7
1
2
3
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5
6
1
2
3
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6
7
3
4
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6
7
1
2
4
5
6
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1
2
3
5
6
7
1
2
3
4
6
7
1
2
3
4
5
7
1
2
3
4
5
6
1
2
3
4
5
6
7
2
3
4
5
6
7
1
4...

output:

YES

result:

ok answer is YES

Test #27:

score: 0
Accepted
time: 5ms
memory: 3716kb

input:

49 7
1
2
3
4
5
6
7
1
2
3
4
5
6
7
1
2
3
4
5
6
7
1
2
3
4
5
6
7
1
2
3
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6
7
1
2
3
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6
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1
2
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3
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6
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1
2
3
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5
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1
2
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1
2
3
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1
2
3
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1
2
3
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1
2
3
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1
3
4
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1
2
3
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6
7
1
2
3
4
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6
7
1
2
3
4
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6
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1
2
3
4
5
6
7
1
2
3
4
5
6
7
1
2
3
4
5
6
7
1
2
4...

output:

YES

result:

ok answer is YES

Test #28:

score: 0
Accepted
time: 3ms
memory: 3500kb

input:

197 7
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
7
1
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1
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1
1
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3
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5
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1
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1
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1
1
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5
6
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2
2
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1
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3
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5
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1
1
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4
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2
1
1
4
4
1
4
1
4
1
1
4
1
6
6
1
1
7
7
7
7
7
7
7
...

output:

YES

result:

ok answer is YES

Test #29:

score: 0
Accepted
time: 4ms
memory: 3688kb

input:

197 7
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
7
1
6
1
1
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1
3
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1
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7
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7
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1
1
1
1
1
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1
2
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2
1
1
1
3
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1
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1
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1
5
3
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5
6
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1
1
6
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1
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7
7
1
1
1
1
1
1
1
5
6
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2
2
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1
7
3
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5
4
1
1
6
4
4
2
1
1
4
4
1
4
1
4
1
1
4
1
6
6
1
1
7
7
7
7
7
7
7
...

output:

YES

result:

ok answer is YES

Test #30:

score: 0
Accepted
time: 4ms
memory: 3664kb

input:

197 7
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
7
1
6
1
1
1
1
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1
1
1
1
1
1
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1
1
1
1
1
3
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1
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7
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1
1
1
1
1
1
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2
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1
2
2
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1
1
1
3
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6
1
1
1
1
6
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2
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1
1
5
3
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5
6
1
1
1
6
6
6
1
1
7
7
7
7
7
7
7
1
1
1
1
1
1
1
5
6
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2
2
5
1
7
3
3
4
5
4
1
1
6
4
4
2
1
1
4
4
1
4
1
4
1
1
4
1
6
6
1
1
7
7
7
7
7
7
7
...

output:

YES

result:

ok answer is YES

Test #31:

score: 0
Accepted
time: 4ms
memory: 3612kb

input:

197 7
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
7
1
6
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
3
1
6
6
7
1
7
7
7
7
7
7
7
1
1
1
1
1
1
1
2
2
1
2
2
2
1
1
1
3
2
6
1
1
1
1
6
4
2
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1
1
5
3
6
5
6
1
1
1
6
6
6
1
1
7
7
7
7
7
7
7
1
1
1
1
1
1
1
5
6
2
2
2
5
1
7
3
3
4
5
4
1
1
6
4
4
2
1
1
4
4
1
4
1
4
1
1
4
1
6
6
1
1
7
7
7
7
7
7
7
...

output:

YES

result:

ok answer is YES

Test #32:

score: 0
Accepted
time: 2ms
memory: 3504kb

input:

197 7
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
7
1
6
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
3
1
6
6
7
1
7
7
7
7
7
7
7
1
1
1
1
1
1
1
2
2
1
2
2
2
1
1
1
3
2
6
1
1
1
1
6
4
2
4
1
1
5
3
6
5
6
1
1
1
6
6
6
1
1
7
7
7
7
7
7
7
1
1
1
1
1
1
1
5
6
2
2
2
5
1
7
3
3
4
5
4
1
1
6
4
4
2
1
1
4
4
1
4
1
4
1
1
4
1
6
6
1
1
7
7
7
7
7
7
7
...

output:

YES

result:

ok answer is YES

Test #33:

score: 0
Accepted
time: 4ms
memory: 3640kb

input:

197 7
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
7
1
6
1
1
1
1
1
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1
1
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1
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1
3
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7
7
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7
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1
1
1
1
1
1
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2
2
1
2
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1
1
1
3
2
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1
1
1
1
6
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2
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1
1
5
3
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5
6
1
1
1
6
6
6
1
1
7
7
7
7
7
7
7
1
1
1
1
1
1
1
5
6
2
2
2
5
1
7
3
3
4
5
4
1
1
6
4
4
2
1
1
4
4
1
4
1
4
1
1
4
1
6
6
1
1
7
7
7
7
7
7
7
...

output:

NO

result:

ok answer is NO

Test #34:

score: 0
Accepted
time: 2ms
memory: 3612kb

input:

49 7
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
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1
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1
1
1
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1
1
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1
1
1
1
1
1
1
1
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1
1
1
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1
2
3
4
5
6
7
1
3
5
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4
6
1
4
7
3
6
2
5
1
5
2
6
3
7
4
1
6
4
2
7
5
3
1
7
6
5
4
3
2
1
1
1
1
1
1
1
1
3
5
7
2
4
6
1
5
2
6
3
7
4
1
7
6
5
4
3
2
1
2
3
4
5
6
7
1
4
7
3
6
2
5
1
6
4
2
7
5
3
1...

output:

YES

result:

ok answer is YES

Test #35:

score: 0
Accepted
time: 1ms
memory: 3536kb

input:

49 7
1
2
3
4
5
6
7
1
2
3
4
5
6
7
1
2
3
4
5
6
7
1
2
3
4
5
6
7
1
2
3
4
5
6
7
1
2
3
4
5
6
7
1
2
3
4
5
6
7
2
3
4
5
6
7
1
2
3
4
5
6
7
1
2
3
4
5
6
7
1
2
3
4
5
6
7
1
2
3
4
5
6
7
1
2
3
4
5
6
7
1
2
3
4
5
6
7
1
3
4
5
6
7
1
2
3
4
5
6
7
1
2
3
4
5
6
7
1
2
3
4
5
6
7
1
2
3
4
5
6
7
1
2
3
4
5
6
7
1
2
3
4
5
6
7
1
2
4...

output:

YES

result:

ok answer is YES

Test #36:

score: 0
Accepted
time: 2ms
memory: 3724kb

input:

200 2
1
1
1
2
2
2
1
2
1 1 2 2 2 1 1 1 2 2 2 2 2 2 1 2 1 2 2 2 2 2 1 2 1 2 1 2 1 2 2 1 2 2 2 1 2 2 2 2 2 1 2 2 2 1 1 2 1 1 2 1 1 1 2 1 2 2 2 2 2 1 2 2 2 2 1 2 1 2 2 1 2 2 1 2 2 1 1 1 1 2 1 1 2 2 2 1 2 1 2 2 1 1 2 2 1 1 1 1 2 2 1 2 1 2 1 1 2 1 1 1 1 2 1 1 1 2 2 1 2 2 1 2 2 2 2 2 2 1 1 1 1 2 1 2 2 2 1 ...

output:

NO

result:

ok answer is NO

Test #37:

score: 0
Accepted
time: 0ms
memory: 3564kb

input:

200 2
1
1
1
2
2
2
1
2
2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 ...

output:

YES

result:

ok answer is YES

Test #38:

score: 0
Accepted
time: 2ms
memory: 3508kb

input:

200 2
1
1
1
2
2
2
1
2
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 ...

output:

NO

result:

ok answer is NO

Test #39:

score: 0
Accepted
time: 2ms
memory: 3712kb

input:

200 2
1
2
2
1
2
1
1
2
1 2 1 2 1 1 1 2 2 2 2 2 1 2 2 2 1 1 2 2 1 2 2 1 1 1 1 2 2 2 1 1 2 2 1 2 1 2 1 2 2 2 1 1 1 2 2 1 2 2 1 1 2 2 1 2 2 1 2 1 1 2 1 1 2 1 1 1 2 2 2 1 2 1 1 2 2 2 1 2 1 1 2 2 1 1 2 2 2 2 2 1 1 2 1 1 1 2 2 1 2 2 1 1 2 1 1 2 1 2 2 1 2 2 2 2 2 1 2 2 2 1 1 2 2 1 1 1 2 2 1 2 1 2 2 2 1 1 2 ...

output:

YES

result:

ok answer is YES

Test #40:

score: 0
Accepted
time: 2ms
memory: 3552kb

input:

200 2
1
2
2
1
2
1
1
2
2 2 1 1 1 1 1 1 1 2 1 1 2 1 2 1 1 2 1 2 2 2 1 1 1 2 2 2 2 1 2 1 1 2 1 1 1 1 1 1 1 1 2 1 2 1 2 2 2 1 1 1 2 1 2 1 2 1 2 2 2 2 1 2 2 1 2 2 1 2 2 1 1 1 1 1 1 1 2 1 1 2 1 2 2 1 2 2 2 1 2 2 1 1 2 2 2 1 2 2 1 2 2 2 2 2 1 1 2 1 1 2 2 1 1 2 1 1 2 2 2 2 1 1 1 1 2 1 2 2 2 1 1 1 2 2 2 1 2 ...

output:

YES

result:

ok answer is YES

Test #41:

score: 0
Accepted
time: 2ms
memory: 3716kb

input:

200 2
1
2
2
1
2
1
1
2
2 1 2 1 1 1 1 1 1 1 2 2 1 1 1 1 1 2 1 2 1 2 1 1 2 2 1 1 1 1 1 2 2 1 2 1 2 1 1 1 2 1 2 2 2 2 1 1 2 1 2 2 1 2 2 1 2 1 1 2 1 1 1 2 2 2 2 2 2 1 1 2 2 2 1 1 2 2 2 2 1 1 1 1 1 1 2 2 1 2 1 1 2 2 2 2 2 2 1 1 2 1 1 1 1 2 2 2 2 1 1 1 2 1 1 2 1 2 1 1 2 2 2 1 1 1 1 2 2 1 1 1 1 2 2 1 2 2 1 ...

output:

YES

result:

ok answer is YES

Test #42:

score: 0
Accepted
time: 2ms
memory: 3636kb

input:

199 2
1
2
2
1
2
1
1
2
2 2 2 1 1 1 2 2 2 1 1 1 1 1 2 1 2 2 2 2 2 2 1 2 1 1 1 2 2 1 1 2 1 1 1 2 2 2 1 1 1 2 1 2 1 1 1 2 1 1 2 1 2 2 1 1 2 1 1 2 1 1 1 1 1 2 1 1 2 2 1 1 1 2 1 1 1 2 2 1 2 2 1 1 1 1 1 1 2 1 1 1 1 1 2 1 1 2 1 2 2 2 1 2 2 1 2 1 1 1 1 1 2 1 1 2 2 1 2 2 2 1 1 2 1 2 2 1 2 2 2 1 1 2 1 1 2 2 2 ...

output:

YES

result:

ok answer is YES

Test #43:

score: 0
Accepted
time: 2ms
memory: 3640kb

input:

199 2
1
2
2
1
2
1
1
2
2 1 2 2 2 2 1 2 2 1 1 2 2 2 2 2 1 2 2 1 2 2 1 2 2 2 1 2 1 1 1 2 1 2 1 2 1 2 1 1 2 1 1 1 2 2 1 2 2 2 2 1 1 1 1 1 2 2 2 1 2 2 1 1 1 1 1 1 1 1 2 2 1 2 2 1 2 2 1 2 2 2 2 1 2 1 2 1 1 1 2 2 2 2 2 2 1 1 1 1 1 1 2 2 1 2 1 1 1 1 2 1 1 2 2 1 2 1 2 2 2 2 1 1 1 2 1 2 2 1 1 2 1 2 1 2 1 1 1 ...

output:

YES

result:

ok answer is YES

Test #44:

score: 0
Accepted
time: 2ms
memory: 3692kb

input:

199 2
1
2
2
1
2
1
1
2
1 2 1 2 2 2 2 1 1 2 1 2 1 1 2 1 2 1 2 2 1 1 1 1 1 2 2 1 1 1 2 1 2 1 2 2 2 2 1 1 2 1 1 2 2 1 2 2 1 2 1 1 1 2 2 1 1 1 2 1 1 1 2 1 1 2 1 2 2 2 2 2 1 1 2 1 1 1 2 2 2 2 1 2 1 2 1 2 1 2 1 1 1 1 2 2 2 2 2 2 1 2 2 2 1 2 2 1 1 2 2 1 1 2 1 1 2 1 1 2 2 2 2 1 2 1 2 1 1 1 2 1 2 1 2 1 1 2 2 ...

output:

YES

result:

ok answer is YES

Test #45:

score: 0
Accepted
time: 2ms
memory: 3616kb

input:

4 2
1
2
1
2
2
1
2
1
1 2 1 1

output:

NO

result:

ok answer is NO

Test #46:

score: 0
Accepted
time: 2ms
memory: 3496kb

input:

10 3
1
2
2
1
2
1
1
2
1
2
2
2
1
2
1
1
2
2
1
1
2
1
1
2
1
2
2
1 2 2 2 3 1 2 1 1 2

output:

NO

result:

ok answer is NO

Test #47:

score: 0
Accepted
time: 2ms
memory: 3556kb

input:

32 2
1
1
2
2
2
2
1
1
1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2

output:

YES

result:

ok answer is YES

Test #48:

score: 0
Accepted
time: 2ms
memory: 3560kb

input:

32 2
1
1
1
1
2
2
2
2
1 1 1 1 1 2 1 2 1 1 1 2 1 2 1 2 1 2 1 1 1 2 1 2 1 2 1 1 2 1 2 1

output:

YES

result:

ok answer is YES

Test #49:

score: 0
Accepted
time: 24ms
memory: 3636kb

input:

200 10
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1...

output:

NO

result:

ok answer is NO

Test #50:

score: 0
Accepted
time: 28ms
memory: 3564kb

input:

200 10
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1...

output:

YES

result:

ok answer is YES
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