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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#342555#4084. 카드 뒤집기 게임ZhaoZiLong100 ✓467ms264076kbC++205.1kb2024-03-01 12:39:402024-03-01 12:39:40

Details

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Subtask #1:

score: 11
Accepted

Test #1:

score: 11
Accepted
time: 1ms
memory: 3592kb

input:

10 1
OOOOOOOOOX
XOXXOOOOOO
XOOXOOOXOO
OOOOOOOOOO
OOOXOOOOOO
OOXOOXXOOO
OOOOXOOOOO
XOOOOOOOXO
OOOXXOOOXO
OOOOOOOOOO

output:

0

result:

ok single line: '0'

Test #2:

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

input:

10 1
OOOOOOOOXX
OOOOOOOOXX
XXXXXXXXOO
XXXXXXXXOO
OOOOOOOOXX
OOOOOOOOXX
OOOOOOOOXX
OOOOOOOOXX
OOOOOOOOXX
OOOOOOOOXX

output:

1

result:

ok single line: '1'

Test #3:

score: 0
Accepted
time: 0ms
memory: 3588kb

input:

10 1
OOOOOOOOXX
OOOOOOOOXX
XXXXXXXOOO
XXXXXXXXOO
OOOOOOOOXX
OOOOOOOOXX
OOOOOOOOXX
OOOOOOOOXX
OOOOOOOOXX
OOOOOOOOXX

output:

0

result:

ok single line: '0'

Test #4:

score: 0
Accepted
time: 0ms
memory: 3580kb

input:

10 1
OOXOXOOOOX
XOOOOOXOOO
OOXOOXXOOO
OOOOOOOOXO
XOOOOOXOOX
OOOOXOXOXX
OXOOXOOXOX
OXXOOXOOOO
OOOXOXOOXO
OOOOOXOOOO

output:

0

result:

ok single line: '0'

Test #5:

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

input:

10 1
OXOXOOOOXX
OXOXOOOOXX
OXOXOOOOXX
OXOXOOOOXX
OXOXOOOOXX
OXOXOOOOXX
XOXOXXXXOO
OXOXOOOOXX
OXOXOOOOXX
OXOXOOOOXX

output:

1

result:

ok single line: '1'

Test #6:

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

input:

10 1
OXOXOOOOXX
OXOXOOOOXX
OXOXOOOOXX
OXOXOOOOXX
OXOXOOOOXX
OXOXOOOOXX
XOXOXXXXOO
OXOXOOOOXX
OXXXOOOOXX
OXOXOOOOXX

output:

0

result:

ok single line: '0'

Test #7:

score: 0
Accepted
time: 0ms
memory: 3580kb

input:

10 1
XXXXXOOOXX
OOOOOXXOXO
XOOOOXXXXO
OOXOXOOOXO
XOOOOOOOXX
XXOXXOOXOO
XOXXOXXXOX
OOOXXXOXXX
XOXXXOXOXX
OXXXXXOXOO

output:

0

result:

ok single line: '0'

Test #8:

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

input:

10 1
OOOOXXXOOX
XXXXOOOXXO
XXXXOOOXXO
XXXXOOOXXO
XXXXOOOXXO
OOOOXXXOOX
OOOOXXXOOX
XXXXOOOXXO
OOOOXXXOOX
XXXXOOOXXO

output:

1

result:

ok single line: '1'

Test #9:

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

input:

10 1
OOOOXXXOOX
XXXXOOOXXO
XXXXOOOXXO
XXXXOOOXXO
XXXXOOOXXO
OOOOXXXOOX
OOOOXXXOOX
XXXXOOOXXO
OOOOXXXOOX
XXXOOOOXXO

output:

0

result:

ok single line: '0'

Test #10:

score: 0
Accepted
time: 0ms
memory: 3588kb

input:

10 1
XXOXXXXXXX
XXXOXXXOXX
XXXXOOXOXX
XXOOXXOOOX
XXXOXXOOXX
OOXXOXOXXX
XOXOXOXXXO
XXXOOXXXOX
OXOOXXXXOO
XXOXOOOXXO

output:

0

result:

ok single line: '0'

Test #11:

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

input:

10 1
OXOOOOOOOO
OXOOOOOOOO
OXOOOOOOOO
XOXXXXXXXX
OXOOOOOOOO
OXOOOOOOOO
OXOOOOOOOO
XOXXXXXXXX
OXOOOOOOOO
OXOOOOOOOO

output:

1

result:

ok single line: '1'

Test #12:

score: 0
Accepted
time: 0ms
memory: 3476kb

input:

10 1
OXOOOOOOOO
OXOOOOOOOO
OXOOOOOOOO
XOXXXXXXXX
OXOOOOOOOX
OXOOOOOOOO
OXOOOOOOOO
XOXXXXXXXX
OXOOOOOOOO
OXOOOOOOOO

output:

0

result:

ok single line: '0'

Test #13:

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

input:

10 1
XOXXXXOXXX
XXXXOOXXXX
OOXXOXXXXX
XXXOOXXOOX
OXXXXXXXXX
XXXXXXXXOX
XXXXXXXOXO
OXXXXXXXXX
XXXOOXXXOX
XXXXXXXXXX

output:

0

result:

ok single line: '0'

Test #14:

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

input:

10 1
XOOOOXOOOO
XOOOOXOOOO
XOOOOXOOOO
XOOOOXOOOO
OXXXXOXXXX
OXXXXOXXXX
XOOOOXOOOO
XOOOOXOOOO
XOOOOXOOOO
XOOOOXOOOO

output:

1

result:

ok single line: '1'

Test #15:

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

input:

10 1
XOOOOXOOOO
XOOOOXOOOO
XOOOOXOOOO
XOOOOXOOOO
OXXXXOXXXX
OXXXXOXXXX
XOOOOXOOOO
XOOOOXOOOX
XOOOOXOOOO
XOOOOXOOOO

output:

0

result:

ok single line: '0'

Test #16:

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

input:

5 2
XOOOX
XOXOO
OXXOO
OXOOO
OOOXO

output:

0

result:

ok single line: '0'

Test #17:

score: 0
Accepted
time: 0ms
memory: 3592kb

input:

5 2
XOOXX
XOOXX
OOXXO
XOOXX
OOXXO

output:

1

result:

ok single line: '1'

Test #18:

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

input:

5 2
XOOXX
XOOXX
OOXXO
XOOOX
OOXXO

output:

0

result:

ok single line: '0'

Test #19:

score: 0
Accepted
time: 0ms
memory: 3592kb

input:

5 2
XOXOO
OOXOO
OOOXO
OOXOX
XOXXO

output:

0

result:

ok single line: '0'

Test #20:

score: 0
Accepted
time: 0ms
memory: 3544kb

input:

5 2
XXXXX
XOXOO
OOOOO
OXOXX
OXOXO

output:

1

result:

ok single line: '1'

Test #21:

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

input:

5 2
XXXXX
XOXOO
OOOOO
OOOXX
OXOXO

output:

0

result:

ok single line: '0'

Test #22:

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

input:

5 2
XXOXO
XXXXO
XXOXO
XXOOX
OOOOO

output:

0

result:

ok single line: '0'

Test #23:

score: 0
Accepted
time: 1ms
memory: 3588kb

input:

5 2
OXXXO
OXOOO
XOOOX
OXOOO
XOOOX

output:

1

result:

ok single line: '1'

Test #24:

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

input:

5 2
OXXXO
OXOOO
XOOOX
OXOOO
XXOOX

output:

0

result:

ok single line: '0'

Test #25:

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

input:

5 2
XXOOX
OXXXX
OXXXX
XXOOX
XXXXX

output:

0

result:

ok single line: '0'

Test #26:

score: 0
Accepted
time: 0ms
memory: 3524kb

input:

5 2
OOOOO
OXOOO
OXOXO
OOOXO
XXXXX

output:

1

result:

ok single line: '1'

Test #27:

score: 0
Accepted
time: 0ms
memory: 3584kb

input:

5 2
OOOOO
OXOOX
OXOXO
OOOXO
XXXXX

output:

0

result:

ok single line: '0'

Test #28:

score: 0
Accepted
time: 0ms
memory: 3584kb

input:

5 2
XOXOO
XXXXX
XXXXX
XOXXX
XXOXX

output:

0

result:

ok single line: '0'

Test #29:

score: 0
Accepted
time: 0ms
memory: 3528kb

input:

5 2
XXXOO
OOOOO
XXXOO
XOXOX
XXXOO

output:

1

result:

ok single line: '1'

Test #30:

score: 0
Accepted
time: 0ms
memory: 3592kb

input:

5 2
XXXOO
OOOOO
XXOOO
XOXOX
XXXOO

output:

0

result:

ok single line: '0'

Test #31:

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

input:

3 3
OOO
XXO
OOX

output:

1

result:

ok single line: '1'

Test #32:

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

input:

3 3
OXX
OXO
OXO

output:

1

result:

ok single line: '1'

Test #33:

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

input:

3 3
OXX
OXO
OXX

output:

1

result:

ok single line: '1'

Test #34:

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

input:

3 3
OOO
OOO
OOX

output:

1

result:

ok single line: '1'

Test #35:

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

input:

3 3
OOO
OXO
XOO

output:

1

result:

ok single line: '1'

Test #36:

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

input:

3 3
OOO
OXO
XXO

output:

1

result:

ok single line: '1'

Test #37:

score: 0
Accepted
time: 0ms
memory: 3580kb

input:

3 3
OXX
OOX
OOO

output:

1

result:

ok single line: '1'

Test #38:

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

input:

3 3
XXX
OOX
XXO

output:

1

result:

ok single line: '1'

Test #39:

score: 0
Accepted
time: 0ms
memory: 3592kb

input:

3 3
XXX
OOX
XXX

output:

1

result:

ok single line: '1'

Test #40:

score: 0
Accepted
time: 0ms
memory: 3516kb

input:

3 3
OOX
XXO
XXO

output:

1

result:

ok single line: '1'

Test #41:

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

input:

3 3
OOX
OXO
OOX

output:

1

result:

ok single line: '1'

Test #42:

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

input:

3 3
OOX
OXO
OOO

output:

1

result:

ok single line: '1'

Test #43:

score: 0
Accepted
time: 0ms
memory: 3468kb

input:

3 3
XXX
XOX
OXX

output:

1

result:

ok single line: '1'

Test #44:

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

input:

3 3
OOX
XOX
XOO

output:

1

result:

ok single line: '1'

Test #45:

score: 0
Accepted
time: 0ms
memory: 3544kb

input:

3 3
OOX
XOO
XOO

output:

1

result:

ok single line: '1'

Subtask #2:

score: 50
Accepted

Test #46:

score: 50
Accepted
time: 27ms
memory: 22884kb

input:

1000 1
OOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOXOOOOOOOOOOOOOOOOOXOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOXOOOOOOOOOOOXOOOOOOOXOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOXOOOOOOOOOXOOOOOOXOOOOOOOOOOOOOOOOXOOOOOOXOOOOOOOOOOOOOXOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOXOOOOOOOOOOOOOOOXOOOOO...

output:

0

result:

ok single line: '0'

Test #47:

score: 0
Accepted
time: 35ms
memory: 22708kb

input:

1000 1
OOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOXOOOOOOOOOOOOOOOOOXOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOXOOOOOOOOOOOXOOOOOOOXOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOXOOOOOOOOOXOOOOOOXOOOOOOOOOOOOOOOOXOOOOOOXOOOOOOOOOOOOOXOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOXOOOOOOOOOOOOOOOXOOOOOO...

output:

1

result:

ok single line: '1'

Test #48:

score: 0
Accepted
time: 32ms
memory: 22748kb

input:

1000 1
OOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOXOOOOOOOOOOOOOOOOOXOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOXOOOOOOOOOOOXOOOOOOOXOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOXOOOOOOOOOXOOOOOOXOOOOOOOOOOOOOOOOXOOOOOOXOOOOOOOOOOOOOXOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOXOOOOOOOOOOOOOOOXOOOOOO...

output:

0

result:

ok single line: '0'

Test #49:

score: 0
Accepted
time: 30ms
memory: 22644kb

input:

1000 1
XOOOOOOOOOOOXOOOOXXOOOOOOOOOOOOOXOXOOXXOOOXOXXOOOXOXOXOOOOOOOOOOOOOOOOXOOOOXOOXOOOOOOOOOOOOOOOOOOOOOOOOOOOXOOOOOXOXOXOXOOOOOOOOOOOOOOOOOOOOOXOOOOOOOXOOOOOOOOOOXOOOOOOOOOOOOOOOOOOXOOOOOXOOOOOOOOOOOOOOOOOOOOXOOOOOOXOOOOOXOXOXOOOOOOOOXOOOOOOOOOOXOOXXOOOOOOXOOOXOOOOOOOOOXOXOOOOOXOOOOOOOOOOOOOOOOO...

output:

0

result:

ok single line: '0'

Test #50:

score: 0
Accepted
time: 27ms
memory: 22652kb

input:

1000 1
XXXXXXXXXXXOXXXXOOXXXXXXXXXXXXXOXOXXOOXXXOXOOXXXOXOXOXXXXXXXXXXXXXXXXOXXXXOXXOXXXXXXXXXXXXXXXXXXXXXXXXXXXOXXXXXOXOXOXOXXXXXXXXXXXXXXXXXXXXXOXXXXXXXOXXXXXXXXXXOXXXXXXXXXXXXXXXXXXOXXXXXOXXXXXXXXXXXXXXXXXXXXOXXXXXXOXXXXXOXOXOXXXXXXXXOXXXXXXXXXXOXXOOXXXXXXOXXXOXXXXXXXXXOXOXXXXXOXXXXXXXXXXXXXXXXXX...

output:

1

result:

ok single line: '1'

Test #51:

score: 0
Accepted
time: 35ms
memory: 22804kb

input:

1000 1
XXXXXXXXXXXOXXXXOOXXXXXXXXXXXXXOXOXXOOXXXOXOOXXXOXOXOXXXXXXXXXXXXXXXXOXXXXOXXOXXXXXXXXXXXXXXXXXXXXXXXXXXXOXXXXXOXOXOXOXXXXXXXXXXXXXXXXXXXXXOXXXXXXXOXXXXXXXXXXOXXXXXXXXXXXXXXXXXXOXXXXXOXXXXXXXXXXXXXXXXXXXXOXXXXXXOXXXXXOXOXOXXXXXXXXOXXXXXXXXXXOXXOOXXXXXXOXXXOXXXXXXXXXOXOXXXXXOXXXXXXXXXXXXXXXXXX...

output:

0

result:

ok single line: '0'

Test #52:

score: 0
Accepted
time: 32ms
memory: 22896kb

input:

1000 1
OOXXOOOXOOOOOOOOOOOOXXOOXOXXXXOOOOOXXOOXXOOXXOXOXOOOOOXOOOOOOXOOOOOOOOXOOOOOXXOOOOOXOOOOXXXXOXOOOOXXOOOXXXOXOOXOOXOOXOXOOOXOXOXOXOOOOOOOOOXOOOOXOOOXOOOOOOOXOOOOOOOOOOOOOOOOOOOOOOOOOOXOOOOXOXOOXOXOXOXOXOOXOOOOOOXOOOOOOOOOOOOXXOOXOOOOXOOOXOOOOOOXOXOXOOOOXOOOOOOOOOOOOXOOOOOOOOXOXOOXOOOOOOXOOOOOO...

output:

0

result:

ok single line: '0'

Test #53:

score: 0
Accepted
time: 30ms
memory: 22672kb

input:

1000 1
OXXOOOXOOOOOOOOOOOOXXOOXOXXXXOOOOOXXOOXXOOXXOXOXOOOOOXOOOOOOXOOOOOOOOXOOOOOXXOOOOOXOOOOXXXXOXOOOOXXOOOXXXOXOOXOOXOOXOXOOOXOXOXOXOOOOOOOOOXOOOOXOOOXOOOOOOOXOOOOOOOOOOOOOOOOOOOOOOOOOOXOOOOXOXOOXOXOXOXOXOOXOOOOOOXOOOOOOOOOOOOXXOOXOOOOXOOOXOOOOOOXOXOXOOOOXOOOOOOOOOOOOXOOOOOOOOXOXOOXOOOOOOXOOOOOOO...

output:

1

result:

ok single line: '1'

Test #54:

score: 0
Accepted
time: 32ms
memory: 22976kb

input:

1000 1
OXXOOOXOOOOOOOOOOOOXXOOXOXXXXOOOOOXXOOXXOOXXOXOXOOOOOXOOOOOOXOOOOOOOOXOOOOOXXOOOOOXOOOOXXXXOXOOOOXXOOOXXXOXOOXOOXOOXOXOOOXOXOXOXOOOOOOOOOXOOOOXOOOXOOOOOOOXOOOOOOOOOOOOOOOOOOOOOOOOOOXOOOOXOXOOXOXOXOXOXOOXOOOOOOXOOOOOOOOOOOOXXOOXOOOOXOOOXOOOOOOXOXOXOOOOXOOOOOOOOOOOOXOOOOOOOOXOXOOXOOOOOOXOOOOOOO...

output:

0

result:

ok single line: '0'

Test #55:

score: 0
Accepted
time: 23ms
memory: 22932kb

input:

1000 1
OOOOOOXOOXXXOOOOOXOOOOOOOOOOOXOOOOOOOXOOOOOXXOOXXOXXOXOXXOOOOOOXXOXOOOXXXOOXOOOOOOOXOOOOXOOXXOOOOOOXOOOXOOOOOOOXOXOOXOXXXOXOOOOXOOOOOXOXOXXOOOXOOOOOOXXOOXOOOXOOXXOOXOXOOOOOOOOOOXOXOOXOXOXOXOOOOOOOXXOOOXOXOOOOXXXOOOOOXXOXOOXOOXOXOXOXOXOXOOOXOXOXXXOXOXOOOOXOOOXXOOXXXOOOOXOXOXXOOOXXOXXOOOOOXOOOO...

output:

0

result:

ok single line: '0'

Test #56:

score: 0
Accepted
time: 27ms
memory: 22644kb

input:

1000 1
OOOOOXOOXXXOOOOOXOOOOOOOOOOOXOOOOOOOXOOOOOXXOOXXOXXOXOXXOOOOOOXXOXOOOXXXOOXOOOOOOOXOOOOXOOXXOOOOOOXOOOXOOOOOOOXOXOOXOXXXOXOOOOXOOOOOXOXOXXOOOXOOOOOOXXOOXOOOXOOXXOOXOXOOOOOOOOOOXOXOOXOXOXOXOOOOOOOXXOOOXOXOOOOXXXOOOOOXXOXOOXOOXOXOXOXOXOXOOOXOXOXXXOXOXOOOOXOOOXXOOXXXOOOOXOXOXXOOOXXOXXOOOOOXOOOOX...

output:

1

result:

ok single line: '1'

Test #57:

score: 0
Accepted
time: 32ms
memory: 22756kb

input:

1000 1
OOOOOXOOXXXOOOOOXOOOOOOOOOOOXOOOOOOOXOOOOOXXOOXXOXXOXOXXOOOOOOXXOXOOOXXXOOXOOOOOOOXOOOOXOOXXOOOOOOXOOOXOOOOOOOXOXOOXOXXXOXOOOOXOOOOOXOXOXXOOOXOOOOOOXXOOXOOOXOOXXOOXOXOOOOOOOOOOXOXOOXOXOXOXOOOOOOOXXOOOXOXOOOOXXXOOOOOXXOXOOXOOXOXOXOXOXOXOOOXOXOXXXOXOXOOOOXOOOXXOOXXXOOOOXOXOXXOOOXXOXXOOOOOXOOOOX...

output:

0

result:

ok single line: '0'

Test #58:

score: 0
Accepted
time: 42ms
memory: 22648kb

input:

1000 1
XOOXOXOOXOOXXOXOOOXOOOOXOOXOXOXXXXXXXOXXOOXXXOOOXXOOOOOOOOXOOOXOXOOXOOXOOOXOXXOOOOXOOOOOXOOOXOOXOOOOOXOOOXXOOXOOOOXXXXOXXOOXXOXXXOXOOOOXXXXXXOOXXXOOXXOXOOXXXXXOXOXXXOOOXOOOXXOXXXXXOXOXOOOOOOOXXXOOXOOXXXXXXOXXOOOOXOOXOOXOXXOOXOOOXOXOXXXXOOOXOOOXXXOXXOOOOOXXOXOOOXXXXXOOOOXXOXXOOOXXXOOOOXXOXXOOX...

output:

0

result:

ok single line: '0'

Test #59:

score: 0
Accepted
time: 30ms
memory: 22644kb

input:

1000 1
XXOXOXXOXXOOXOXXXOXXXXOXXOXOXOOOOOOOXOOXXOOOXXXOOXXXXXXXXOXXXOXOXXOXXOXXXOXOOXXXXOXXXXXOXXXOXXOXXXXXOXXXOOXXOXXXXOOOOXOOXXOOXOOOXOXXXXOOOOOOXXOOOXXOOXOXXOOOOOXOXOOOXXXOXXXOOXOOOOOXOXOXXXXXXXOOOXXOXXOOOOOOXOOXXXXOXXOXXOXOOXXOXXXOXOXOOOOXXXOXXXOOOXOOXXXXXOOXOXXXOOOOOXXXXOOXOOXXXOOOXXXXOOXOOXXOX...

output:

1

result:

ok single line: '1'

Test #60:

score: 0
Accepted
time: 27ms
memory: 22760kb

input:

1000 1
XXOXOXXOXXOOXOXXXOXXXXOXXOXOXOOOOOOOXOOXXOOOXXXOOXXXXXXXXOXXXOXOXXOXXOXXXOXOOXXXXOXXXXXOXXXOXXOXXXXXOXXXOOXXOXXXXOOOOXOOXXOOXOOOXOXXXXOOOOOOXXOOOXXOOXOXXOOOOOXOXOOOXXXOXXXOOXOOOOOXOXOXXXXXXXOOOXXOXXOOOOOOXOOXXXXOXXOXXOXOOXXOXXXOXOXOOOOXXXOXXXOOOXOOXXXXXOOXOXXXOOOOOXXXXOOXOOXXXOOOXXXXOOXOOXXOX...

output:

0

result:

ok single line: '0'

Test #61:

score: 0
Accepted
time: 33ms
memory: 22860kb

input:

1000 1
XOXXOXXXXXXOXXOOXXOXOOXOXOXXOOXOOXXOOXXOXOOXXXXXXOXXXXXXXOXOOXXXXXOOOXXXOOXXXOOOOXXOOXXOXXXOXXOOXXOOXXOOXOOXOOXOXOXXXXOXOXOOOXOOOOXOXXXOXOXOXXXOXXOXOXXXXOXOXOOXXOOOXOOOXOXOXOXXOXOXXOOXXXXXOOOXOXXOXOXOXXXOOOXXOOOOXOXXOXOOOOXXOXXOOXXOOOXXXOOXOOOXOXOXOOXXXXXOOXXOOOOOOXXXXOXOOXXOXXOXXXOOOXXXXXOOO...

output:

0

result:

ok single line: '0'

Test #62:

score: 0
Accepted
time: 23ms
memory: 22668kb

input:

1000 1
XOOXOOOOOOXOOXXOOXOXXOXOXOOXXOXXOOXXOOXOXXOOOOOOXOOOOOOOXOXXOOOOOXXXOOOXXOOOXXXXOOXXOOXOOOXOOXXOOXXOOXXOXXOXXOXOXOOOOXOXOXXXOXXXXOXOOOXOXOXOOOXOOXOXOOOOXOXOXXOOXXXOXXXOXOXOXOOXOXOOXXOOOOOXXXOXOOXOXOXOOOXXXOOXXXXOXOOXOXXXXOOXOOXXOOXXXOOOXXOXXXOXOXOXXOOOOOXXOOXXXXXXOOOOXOXXOOXOOXOOOXXXOOOOOXXXO...

output:

1

result:

ok single line: '1'

Test #63:

score: 0
Accepted
time: 31ms
memory: 23000kb

input:

1000 1
XOOXOOOOOOXOOXXOOXOXXOXOXOOXXOXXOOXXOOXOXXOOOOOOXOOOOOOOXOXXOOOOOXXXOOOXXOOOXXXXOOXXOOXOOOXOOXXOOXXOOXXOXXOXXOXOXOOOOXOXOXXXOXXXXOXOOOXOXOXOOOXOOXOXOOOOXOXOXXOOXXXOXXXOXOXOXOOXOXOOXXOOOOOXXXOXOOXOXOXOOOXXXOOXXXXOXOOXOXXXXOOXOOXXOOXXXOOOXXOXXXOXOXOXXOOOOOXXOOXXXXXXOOOOXOXXOOXOOXOOOXXXOOOOOXXXO...

output:

0

result:

ok single line: '0'

Test #64:

score: 0
Accepted
time: 30ms
memory: 22708kb

input:

1000 1
OXXOOXXOXXXOOXXOXOXXXXXXXOOXXOXXXXXXXXOXXOXXXXOXXXXOOOOXXOXOOXOXXXXXOXXXXXOOXXXOOOXOXOXXXXXXXXXXXOXOXXOOXXXOOXXXXOOXXOOOXXOXXOXOXOXXXXXOXXXXOXXXOXXOXXXOXXXXXOXXXXXXOOXOXOXOXOXOXOXXXXXXXOXXXXOXXXXXXXXXOOOOOOXXXXOOOOXXXOXXOOXOXXXXXXXXXOXXOOXXXXOXXXXXXXXXOXXXOOXXOOXOOOXXXXOXOXXOXXXXOOXOXXOOXXXXX...

output:

0

result:

ok single line: '0'

Test #65:

score: 0
Accepted
time: 26ms
memory: 22640kb

input:

1000 1
XXOOXXOXXXOOXXOXOXXXXXXXOOXXOXXXXXXXXOXXOXXXXOXXXXOOOOXXOXOOXOXXXXXOXXXXXOOXXXOOOXOXOXXXXXXXXXXXOXOXXOOXXXOOXXXXOOXXOOOXXOXXOXOXOXXXXXOXXXXOXXXOXXOXXXOXXXXXOXXXXXXOOXOXOXOXOXOXOXXXXXXXOXXXXOXXXXXXXXXOOOOOOXXXXOOOOXXXOXXOOXOXXXXXXXXXOXXOOXXXXOXXXXXXXXXOXXXOOXXOOXOOOXXXXOXOXXOXXXXOOXOXXOOXXXXXO...

output:

1

result:

ok single line: '1'

Subtask #3:

score: 39
Accepted

Test #66:

score: 39
Accepted
time: 35ms
memory: 22628kb

input:

1000 1
XXOOXXOXXXOOXXOXOXXXXXXXOOXXOXXXXXXXXOXXOXXXXOXXXXOOOOXXOXOOXOXXXXXOXXXXXOOXXXOOOXOXOXXXXXXXXXXXOXOXXOOXXXOOXXXXOOXXOOOXXOXXOXOXOXXXXXOXXXXOXXXOXXOXXXOXXXXXOXXXXXXOOXOXOXOXOXOXOXXXXXXXOXXXXOXXXXXXXXXOOOOOOXXXXOOOOXXXOXXOOXOXXXXXXXXXOXXOOXXXXOXXXXXXXXXOXXXOOXXOOXOOOXXXXOXOXXOXXXXOOXOXXOOXXXXXO...

output:

0

result:

ok single line: '0'

Test #67:

score: 0
Accepted
time: 23ms
memory: 22696kb

input:

1000 1
XXXXXXXXXOOXXXXOXXXXXXXXXXXOXXXXXOOOXXXOXOXXXXXXXXOXXXXOOXOXXOXXXXOOOXXXXXXXXXXOOXOXXXOOXOXXXXXXXXXXOOXXXXXXOXXOOXXXXXOOXXXXXXXXXOXXXXXXXXXXXXOXXXXXXOXXOXXOXXOOXXXXOOXOXOXXXXXXOOXOXOXXXXXOXXOXOXOXOXXOXOXOXXXXXXXOXXOXXXXXXXXXXOXXXXOOXXOXXOXXXXXXXXOXOOXXXOXOOXXXOXXXXXXXXOXXXXXXOXXXXXXOXXXXXOXXO...

output:

0

result:

ok single line: '0'

Test #68:

score: 0
Accepted
time: 23ms
memory: 22760kb

input:

1000 1
OOOOOOOOXXOOOOXOOOOOOOOOOOXOOOOOXXXOOOXOXOOOOOOOOXOOOOXXOXOOXOOOOXXXOOOOOOOOOOXXOXOOOXXOXOOOOOOOOOOXXOOOOOOXOOXXOOOOOXXOOOOOOOOOXOOOOOOOOOOOOXOOOOOOXOOXOOXOOXXOOOOXXOXOXOOOOOOXXOXOXOOOOOXOOXOXOXOXOOXOXOXOOOOOOOXOOXOOOOOOOOOOXOOOOXXOOXOOXOOOOOOOOXOXXOOOXOXXOOOXOOOOOOOOXOOOOOOXOOOOOOXOOOOOXOOXO...

output:

1

result:

ok single line: '1'

Test #69:

score: 0
Accepted
time: 27ms
memory: 22872kb

input:

1000 1
OOOOOOOOXXOOOOXOOOOOOOOOOOXOOOOOXXXOOOXOXOOOOOOOOXOOOOXXOXOOXOOOOXXXOOOOOOOOOOXXOXOOOXXOXOOOOOOOOOOXXOOOOOOXOOXXOOOOOXXOOOOOOOOOXOOOOOOOOOOOOXOOOOOOXOOXOOXOOXXOOOOXXOXOXOOOOOOXXOXOXOOOOOXOOXOXOXOXOOXOXOXOOOOOOOXOOXOOOOOOOOOOXOOOOXXOOXOOXOOOOOOOOXOXXOOOXOXXOOOXOOOOOOOOXOOOOOOXOOOOOOXOOOOOXOOXO...

output:

0

result:

ok single line: '0'

Test #70:

score: 0
Accepted
time: 23ms
memory: 22648kb

input:

1000 1
XXOOXXXXXXXXXXXXXXOXXXXXOXXXXXXOXXXXXXXXXOXXXXXXXOXXOXXXXXOXXXXXXOXXOXXXXXXXOXXOOXXXXOXXXXXXXOXOXXXXXOXXXXXXXXXXXXXOXXOXXXXXXXXXXXOXXXXXOOXXXXXXXXXXXOXXXOXXXXXXXOXOXXXXXXXXXXOXXXXOXXXOXXXXXXXOXXXXOXXXOXXXXXXXXOXOXXXXOXXOXXXXOXXXOXOXXXXXXOXXXOXXXXXXXXXXXXOXXXXOOXXXXOXXOXXXXXXXXXOXXOXOXOOXXXXXX...

output:

0

result:

ok single line: '0'

Test #71:

score: 0
Accepted
time: 30ms
memory: 22760kb

input:

1000 1
OXXOOOOOOOOOOOOOOXOOOOOXOOOOOOXOOOOOOOOOXOOOOOOOXOOXOOOOOXOOOOOOXOOXOOOOOOOXOOXXOOOOXOOOOOOOXOXOOOOOXOOOOOOOOOOOOOXOOXOOOOOOOOOOOXOOOOOXXOOOOOOOOOOOXOOOXOOOOOOOXOXOOOOOOOOOOXOOOOXOOOXOOOOOOOXOOOOXOOOXOOOOOOOOXOXOOOOXOOXOOOOXOOOXOXOOOOOOXOOOXOOOOOOOOOOOOXOOOOXXOOOOXOOXOOOOOOOOOXOOXOXOXXOOOOOOX...

output:

1

result:

ok single line: '1'

Test #72:

score: 0
Accepted
time: 29ms
memory: 22868kb

input:

1000 1
OXXOOOOOOOOOOOOOOXOOOOOXOOOOOOXOOOOOOOOOXOOOOOOOXOOXOOOOOXOOOOOOXOOXOOOOOOOXOOXXOOOOXOOOOOOOXOXOOOOOXOOOOOOOOOOOOOXOOXOOOOOOOOOOOXOOOOOXXOOOOOOOOOOOXOOOXOOOOOOOXOXOOOOOOOOOOXOOOOXOOOXOOOOOOOXOOOOXOOOXOOOOOOOOXOXOOOOXOOXOOOOXOOOXOXOOOOOOXOOOXOOOOOOOOOOOOXOOOOXXOOOOXOOXOOOOOOOOOXOOXOXOXXOOOOOOX...

output:

0

result:

ok single line: '0'

Test #73:

score: 0
Accepted
time: 31ms
memory: 22948kb

input:

1000 1
OXXXXXXXXXXXXXXXOXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXOXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXOXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXOXXXXOXXXXXXXXXXXXXXXXXXXXXXXXXXXXOXXXXXXXXXXXXXXOXXXXXXOXXXXXXXXXXXXXXXXXXXXXXXXOXXXXXXXXXXXXXXXOXXXXOXXXXXXXXXXXXXXXXXXXXXXXXXOXXXXXXXXO...

output:

0

result:

ok single line: '0'

Test #74:

score: 0
Accepted
time: 28ms
memory: 22660kb

input:

1000 1
XXXXXXXXXXXXXXXOXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXOXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXOXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXOXXXXOXXXXXXXXXXXXXXXXXXXXXXXXXXXXOXXXXXXXXXXXXXXOXXXXXXOXXXXXXXXXXXXXXXXXXXXXXXXOXXXXXXXXXXXXXXXOXXXXOXXXXXXXXXXXXXXXXXXXXXXXXXOXXXXXXXXOX...

output:

1

result:

ok single line: '1'

Test #75:

score: 0
Accepted
time: 32ms
memory: 22840kb

input:

1000 1
XXXXXXXXXXXXXXXOXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXOXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXOXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXOXXXXOXXXXXXXXXXXXXXXXXXXXXXXXXXXXOXXXXXXXXXXXXXXOXXXXXXOXXXXXXXXXXXXXXXXXXXXXXXXOXXXXXXXXXXXXXXXOXXXXOXXXXXXXXXXXXXXXXXXXXXXXXXOXXXXXXXXOX...

output:

0

result:

ok single line: '0'

Test #76:

score: 0
Accepted
time: 39ms
memory: 22840kb

input:

1000 2
OOOXOOOXOOOXOOOOOOOOOOOOOOOOOXXOOOOOOOOOOXOOOOOOOXOOOOXOOOOOOOOOXOOOOOOOOOXOOOOOOOOXOOOOOOOOOOOOOXOOOOOXOOOOOOOOOOOOOOOOXXOOOOOXOXOOOXOOOOOOOOOOOOOOOXXOXOOOXXOOOOXXOXOOXOOOOOOOOOOOOOXOOOOOXOOOOOXOOOXOXOOOOOOOOOOOOXOOXOXOOOOXXOOOXOOOOOOOOOOOXOOXXXOOOXXOOOOOOOOXOXOOXOOOOXXOOOOOOOXOXXOOOXOXOOOOO...

output:

0

result:

ok single line: '0'

Test #77:

score: 0
Accepted
time: 37ms
memory: 22748kb

input:

1000 2
OXOOOXOOOXOOOOOOOOOOOOOOOOOXXOOOOOOOOOOXOOOOOOOXOOOOXOOOOOOOOOXOOOOOOOOOXOOOOOOOOXOOOOOOOOOOOOOXOOOOOXOOOOOOOOOOOOOOOOXXOOOOOXOXOOOXOOOOOOOOOOOOOOOXXOXOOOXXOOOOXXOXOOXOOOOOOOOOOOOOXOOOOOXOOOOOXOOOXOXOOOOOOOOOOOOXOOXOXOOOOXXOOOXOOOOOOOOOOOXOOXXXOOOXXOOOOOOOOXOXOOXOOOOXXOOOOOOOXOXXOOOXOXOOOOOOO...

output:

1

result:

ok single line: '1'

Test #78:

score: 0
Accepted
time: 34ms
memory: 22948kb

input:

1000 2
OXOOOXOOOXOOOOOOOOOOOOOOOOOXXOOOOOOOOOOXOOOOOOOXOOOOXOOOOOOOOOXOOOOOOOOOXOOOOOOOOXOOOOOOOOOOOOOXOOOOOXOOOOOOOOOOOOOOOOXXOOOOOXOXOOOXOOOOOOOOOOOOOOOXXOXOOOXXOOOOXXOXOOXOOOOOOOOOOOOOXOOOOOXOOOOOXOOOXOXOOOOOOOOOOOOXOOXOXOOOOXXOOOXOOOOOOOOOOOXOOXXXOOOXXOOOOOOOOXOXOOXOOOOXXOOOOOOOXOXXOOOXOXOOOOOOO...

output:

0

result:

ok single line: '0'

Test #79:

score: 0
Accepted
time: 43ms
memory: 31096kb

input:

1000 3
OXOXXXOXOXOOOOXOXOXOXXXOOOOXOXXXXOXXOXOXXOXXOXOOOXOOXOOXOXXOXXOXOOOXXXOXOXOOXOOXXOOOOOXOOOXOOOXXOOXXOXOOXXOXXOXOXXXXOOXXOXOOXXOOXOXOXXXXXXXXOOOXXXXXOOOXOXXOOOOXXXXOXXXOXXXXOXXOXXOOOXOXOXXXXXOXXOOOOXOXXXXXXOXOXOOXOOOXOXXXOXOOXOOOXOOXXXOXXOOOOOXXXOOOOOXXOOXXOOXOXXXXOOXOOXXXOXXOOXXOOXXXXXOOXOXXO...

output:

0

result:

ok single line: '0'

Test #80:

score: 0
Accepted
time: 43ms
memory: 30868kb

input:

1000 3
XXOOXXXOXOOOOXXXOOXXXOOXXOOXXOOXOOXXXXXXXXXOXOXXOXXOXXXXXXXXXOXOXOXOOOXXOXXOXOOOXOOOOOXXOXOXOOOOXOOOOOXOOXOOOXOXXXOXOOXXOXOOOOOXXXXOXXOXXXOOOXXOXOXOXXXXXOOXXXOXOOXXXXXOXOOXOOXOXOXXXOOXXOXOOXOXOOOOXOXXOXOOOXXOXXOOOOXOXOOOOOOOXXOXXXOOXOOOXOOOXXXOOXOXOOOOXOXXOOXXOOOOOOOXXXXXXOXOOOOXXOXOXXOOXOOXO...

output:

1

result:

ok single line: '1'

Test #81:

score: 0
Accepted
time: 43ms
memory: 31172kb

input:

1000 3
XXOOXXXOXOOOOXXXOOXXXOOXXOOXXOOXOOXXXXXXXXXOXOXXOXXOXXXXXXXXXOXOXOXOOOXXOXXOXOOOXOOOOOXXOXOXOOOOXOOOOOXOOXOOOXOXXXOXOOXXOXOOOOOXXXXOXXOXXXOOOXXOXOXOXXXXXOOXXXOXOOXXXXXOXOOXOOXOXOXXXOOXXOXOOXOXOOOOXOXXOXOOOXXOXXOOOOXOXOOOOOOOXXOXXXOOXOOOXOOOXXXOOXOXOOOOXOXXOOXXOOOOOOOXXXXXXOXOOOOXXOXOXXOOXOOXO...

output:

0

result:

ok single line: '0'

Test #82:

score: 0
Accepted
time: 34ms
memory: 23232kb

input:

1000 4
XXXXXXOXXXOXXXXXXXXXXXXXXXXXXXXXXOXXXOXXXXXXXXXXXXXXXXXXOOXOXOXOXOOXXXXXXXXXXXXXXOXXXOXXXXXOOXXXOOOXXXXOXXOOXXXXOXXOOXXOXXXXXXXXXXOXXOOXOXXXXOXXXXXXXOXXXXXXXOOXXXXOXXOXXXXXXXXXXXXOXOXOXXXXOOOXXXOXXXXXXXXOXXXXXXXXOXXOXOXXXXXXXXOXXXXXXXXXOOXOXXOXOXOXXOOXXOOXOXXOXXXXXXOXXXOOXOXXXXXOXOXXXXOXXXXOX...

output:

0

result:

ok single line: '0'

Test #83:

score: 0
Accepted
time: 40ms
memory: 23272kb

input:

1000 4
OOOXOOXXOOOXOOOXOOOXOOOXOOOXOXOXOXOXOOOXOOOXOOOXOOOXXXOOOXOOOXXXOOOXOOOXOOOXOXOXOXOXOOOOXOOXXXXXOOOOOOXOOOOXXOOOXOOOOOOXOOOXOOXXOXXXXOOXOXOXOOOXOXOXOOOXOXXXOOOOOOXXOOOXOOOXOOOOOXOOOOOXXXXXOOXXOOOXOOOOOOOXOOOXXOOOOXOXOOOXOOXXOOOXOOOXXXOOOOXXXOXXOXXXOXXXXOOOOOOXOOXXOOXOOXOXOOOOOXOXOOXXOOOOOOOXO...

output:

1

result:

ok single line: '1'

Test #84:

score: 0
Accepted
time: 31ms
memory: 23268kb

input:

1000 4
OOOXOOXXOOOXOOOXOOOXOOOXOOOXOXOXOXOXOOOXOOOXOOOXOOOXXXOOOXOOOXXXOOOXOOOXOOOXOXOXOXOXOOOOXOOXXXXXOOOOOOXOOOOXXOOOXOOOOOOXOOOXOOXXOXXXXOOXOXOXOOOXOXOXOOOXOXXXOOOOOOXXOOOXOOOXOOOOOXOOOOOXXXXXOOXXOOOXOOOOOOOXOOOXXOOOOXOXOOOXOOXXOOOXOOOXXXOOOOXXXOXXOXXXOXXXXOOOOOOXOOXXOOXOOXOXOOOOOXOXOOXXOOOOOOOXO...

output:

0

result:

ok single line: '0'

Test #85:

score: 0
Accepted
time: 49ms
memory: 27456kb

input:

1000 5
OOOOOXOOOXOOOXOOOXOOOOOXOOOOOXXOOXOOOOOOXXOOOOOOOXOOOXOOOXXOOOOXOOOOOXOOOOOOXOOOOOOXOOOOOOXOOOOXOOOOOOOOOOOOOOOOXOXOXOOOOOOXXOOXOOOXOOOXOOOOXOOXOOOOOOXOOOOOOOXOOXOOXOXXOOOOXOOOOOOXOXOOOOOOOOOOOOOOOXOOXOOOOXOOXXOOOXOOXXOXOOOOOOOOXOOOOOXOXOXOOOXOXXOXOOOOOOOOOXOOXOXOXOOOOOOOOOOXOOXOOOOOOOOOXXXOX...

output:

0

result:

ok single line: '0'

Test #86:

score: 0
Accepted
time: 49ms
memory: 27196kb

input:

1000 5
OOXOXOOOXOOOXOOOOOXOOOOOXXOOXOOOOOOXXOOOOOOOXOOOXOOOXXOOOOXOOOOOXOOOOOOXOOOOOOXOOOOOOXOOOOXOOOOOOOOOOOOOOOOXOXOXOOOOOOXXOOXOOOXOOOXOOOOXOOXOOOOOOXOOOOOOOXOOXOOXOXXOOOOXOOOOOOXOXOOOOOOOOOOOOOOOXOOXOOOOXOOXXOOOXOOXXOXOOOOOOOOXOOOOOXOXOXOOOXOXXOXOOOOOOOOOXOOXOXOXOOOOOOOOOOXOOXOOOOOOOOOXXXOXOOOOO...

output:

1

result:

ok single line: '1'

Test #87:

score: 0
Accepted
time: 51ms
memory: 27176kb

input:

1000 5
OOXOXOOOXOOOXOOOOOXOOOOOXXOOXOOOOOOXXOOOOOOOXOOOXOOOXXOOOOXOOOOOXOOOOOOXOOOOOOXOOOOOOXOOOOXOOOOOOOOOOOOOOOOXOXOXOOOOOOXXOOXOOOXOOOXOOOOXOOXOOOOOOXOOOOOOOXOOXOOXOXXOOOOXOOOOOOXOXOOOOOOOOOOOOOOOXOOXOOOOXOOXXOOOXOOXXOXOOOOOOOOXOOOOOXOXOXOOOXOXXOXOOOOOOOOOXOOXOXOXOOOOOOOOOOXOOXOOOOOOOOOXXXOXOOOOO...

output:

0

result:

ok single line: '0'

Test #88:

score: 0
Accepted
time: 42ms
memory: 31780kb

input:

1000 6
OOOXOOOOOOXXXXOXXOXXXOXOOXXXXXXXOXOOOOOXOOOOOOXXOXOXOXXXOOOOOXOOOOXOOXOXOOOOXOXOOOOOOXOOXXOXOXOOOOXXXXXXOOOOOXXXOXXXXXOOOXOOOXOOOXXXXXXXXOOXXOOOXXXOOXOXXOOOOOXOOOXOXOOXOOOOOXXOXXXXOOXOOOOXXXOXOXOXXXXOXXOOXOXOXOOOXOXOOOXXXOXXOXOXXOXXOOOXOOOOOXOOOOOXXOOOOXXOOXXXOXXXOXXOOOXXOXXOXXXXXXOXXXOXOOOXO...

output:

0

result:

ok single line: '0'

Test #89:

score: 0
Accepted
time: 56ms
memory: 31312kb

input:

1000 6
OXOOOOXXOXXXXXXOXXOXXXXOXXOXOXOOOXOXOOOOXOOXOXOOXXOOOXOXOOOXXOOXOOOOOOXXXOOOOXOXOOXOOXOXOXOOXXXOXXOOOXOXXXOOXXXXOXOXOOOOOOOXXOXXXXXXOXXOOXXXXOOOOXXOOXOOXOOXXOXOOOOOOOOOXOXXXOOOXOOXOXXXOOOXOXXOXOXXOXXOXOXXOOXOXXOOXXXXXXOXOOXOXXOXOXOOOXOXOOOXOXXOOXOXXOOOXXOXXOOXXOOXXXOXXXXXXXXOOXXXOOOOOXOXOOOOO...

output:

1

result:

ok single line: '1'

Test #90:

score: 0
Accepted
time: 52ms
memory: 31312kb

input:

1000 6
OXOOOOXXOXXXXXXOXXOXXXXOXXOXOXOOOXOXOOOOXOOXOXOOXXOOOXOXOOOXXOOXOOOOOOXXXOOOOXOXOOXOOXOXOXOOXXXOXXOOOXOXXXOOXXXXOXOXOOOOOOOXXOXXXXXXOXXOOXXXXOOOOXXOOXOOXOOXXOXOOOOOOOOOXOXXXOOOXOOXOXXXOOOXOXXOXOXXOXXOXOXXOOXOXXOOXXXXXXOXOOXOXXOXOXOOOXOXOOOXOXXOOXOXXOOOXXOXXOOXXOOXXXOXXXXXXXXOOXXXOOOOOXOXOOOOO...

output:

0

result:

ok single line: '0'

Test #91:

score: 0
Accepted
time: 51ms
memory: 35908kb

input:

1000 7
XXXXXOOXXOXXOXXXXXXXXXXXXOXXXXXXXXXXXXXOXXXXOXXXXXXXXOOXOXXXXXOOXXXXXOOOXOXXXXXXXOXXXXXXXXOXXXXXXXXXOXXXXXOXXXXOXOXOXOXXXXXXXXOXXXXXXXOXOOXXXOXXXXXXXXXXXXXXXXXOXOXXOXXXOOXOOXXXXXOXXXXXXXXXXXXXXXXXXXOOXXXXXXXOXXXXXXXXXXXXXXXXOXOXXXXXXXXXXXXXXXXXXXOXOXXOXXXXXXXXXXXXXXOXOOXXXOXXXXXXXXXXXXXOXOXOX...

output:

0

result:

ok single line: '0'

Test #92:

score: 0
Accepted
time: 38ms
memory: 36000kb

input:

1000 7
OOXXXOXOOOXOOXOOOXXOXOOOXOOXOOOXXOXOOXXOOXOOOXXXXXOOXOOOXOOXOOOXXOOOOXOOOXXOXOOOXOOOOOOXOOXOOXXOOXOXOXOOOOXOOOXXOOOXOOXXOOXOOXOXOOXOXOXOXOOXOOOXOOXOOOXOXXXOOOOOXXXOOXOXOOOOOOXOOOXOOXOOOXOOXOOXOOOXOOOXXOXOOOXOOXOOOXOOXXOXXOOXOOOXOOXOOOXOOXOXOOOOOOOOXOOXOOOXOOXXOXOOOXXOOXOOXOOOXOOXXOXXXOOOXOXOO...

output:

1

result:

ok single line: '1'

Test #93:

score: 0
Accepted
time: 44ms
memory: 35908kb

input:

1000 7
OOXXXOXOOOXOOXOOOXXOXOOOXOOXOOOXXOXOOXXOOXOOOXXXXXOOXOOOXOOXOOOXXOOOOXOOOXXOXOOOXOOOOOOXOOXOOXXOOXOXOXOOOOXOOOXXOOOXOOXXOOXOOXOXOOXOXOXOXOOXOOOXOOXOOOXOXXXOOOOOXXXOOXOXOOOOOOXOOOXOOXOOOXOOXOOXOOOXOOOXXOXOOOXOOXOOOXOOXXOXXOOXOOOXOOXOOOXOOXOXOOOOOOOOXOOXOOOXOOXXOXOOOXXOOXOOXOOOXOOXXOXXXOOOXOXOO...

output:

0

result:

ok single line: '0'

Test #94:

score: 0
Accepted
time: 51ms
memory: 23932kb

input:

1000 8
OOOOOOOOOOOOXOOOXOOOOOOOOXOOOOXOOOOOOOOOOOOXXOOOOOOXOOOOOOOOOOOXOOOOXOXXOOOOOOOOXOOOOOOXOOOOXOXOXOXXXOXOXOXOXXOOOXOOOOXOOOOXOOOXOXOOOOOOOXOXOOOOOXOOOOOOXOXOOOOOOOOOOXOOOOOOOXOXOOOOOOXOOOOOXOOOOOOOOOOOXOOOOOOXOXOOOOOOOOOOXOOOOXOXXOOOOOOOOOOOOXOOOOXOOOXOOOOOOOOXOOOOOOOOOOXOXOOOOXOOOOOOOOOOOOOOX...

output:

0

result:

ok single line: '0'

Test #95:

score: 0
Accepted
time: 54ms
memory: 23652kb

input:

1000 8
OOOOOOXOXOOOOOXOOXOOOOOOOOOOOOXOOOOXXOXOOOOXOOXOOOOOOOXXOOOOXOOXOOOOOOXOXOOOOOXXOOOOXOOOXOXXXOOOXOXOXXXOOXOOOOOOOOOXOOXXOXOOOOXOOXOXOOXOOXOOOOXOXOXOOOXOOOOOOXXOOOOOOXXXOOOOOOOOOOOOXOXOOOOOOOXOXOOOOOXXOXOOOOXOOOOOXOXOOXOXXOXOOOOOOOXOOXOOOOOOOOXOOOXOOOOXOOXOOOOOOOOOXOOOOXXOOOOOOOXOOOOOXOOOXOOOO...

output:

1

result:

ok single line: '1'

Test #96:

score: 0
Accepted
time: 47ms
memory: 24080kb

input:

1000 8
OOOOOOXOXOOOOOXOOXOOOOOOOOOOOOXOOOOXXOXOOOOXOOXOOOOOOOXXOOOOXOOXOOOOOOXOXOOOOOXXOOOOXOOOXOXXXOOOXOXOXXXOOXOOOOOOOOOXOOXXOXOOOOXOOXOXOOXOOXOOOOXOXOXOOOXOOOOOOXXOOOOOOXXXOOOOOOOOOOOOXOXOOOOOOOXOXOOOOOXXOXOOOOXOOOOOXOXOOXOXXOXOOOOOOOXOOXOOOOOOOOXOOOXOOOOXOOXOOOOOOOOOXOOOOXXOOOOOOOXOOOOOXOOOXOOOO...

output:

0

result:

ok single line: '0'

Test #97:

score: 0
Accepted
time: 57ms
memory: 26192kb

input:

1000 9
XOOOOOOXXOOOOXXXXOOXOOOOOOOXXOXXOXOOXXOXXXXXXXOOXOXOXOXOOXOOXOOOXOOOXOXOOXXOXXXXXXOOOOXXOXOXXXXXXOOOOXXOOXXXXXOOXOOXXOOXOOOOOXOOOOXOOXXOXXOOOOXOOXXOXXOXOXXOOXOXOOXOOXXOOXXOXXOOXOXXXOXOXOOXOOOOOOOOOXXOXOOOOOXOOOXOOOOXOXOOXOOXXOXOXOOXOXXXXXXOXXXXOOOOOXOXOOOOXXXXXOOXOXXOOXOOOXXXXXXOOOXOXOXXOXXXO...

output:

0

result:

ok single line: '0'

Test #98:

score: 0
Accepted
time: 53ms
memory: 26236kb

input:

1000 9
XOOXXOXOXXXOOXOOXXOXOXOOXXXOXOXOXXOOOOOXXXOOXOOOXXOXXXXXOOXXOOXXXXOOXXOOOOOOXXXXOXXXXOXXXXXOXXXOXOOOXOOOOOOOXOXOXOOXOXOOOOOOOOXXXOXOOOXXXXOOXOOXOXOOOOXXXOOOXOOOOOXXXOXXOOOOOXOOOOOXXOOOXOOXOOOXOXOOXOXOOXXOOXOXXOOOOOOOXXOXXOXXOOXXXOOXOOOOOOXOXXOXOOOOXXOOXOXOOXOXOXOOXOXXOOXOOXXXOOOXXXXXXOXOXOXXX...

output:

1

result:

ok single line: '1'

Test #99:

score: 0
Accepted
time: 47ms
memory: 26048kb

input:

1000 9
XOOXXOXOXXXOOXOOXXOXOXOOXXXOXOXOXXOOOOOXXXOOXOOOXXOXXXXXOOXXOOXXXXOOXXOOOOOOXXXXOXXXXOXXXXXOXXXOXOOOXOOOOOOOXOXOXOOXOXOOOOOOOOXXXOXOOOXXXXOOXOOXOXOOOOXXXOOOXOOOOOXXXOXXOOOOOXOOOOOXXOOOXOOXOOOXOXOOXOXOOXXOOXOXXOOOOOOOXXOXXOXXOOXXXOOXOOOOOOXOXXOXOOOOXXOOXOXOOXOXOXOOXOXXOOXOOXXXOOOXXXXXXOXOXOXXX...

output:

0

result:

ok single line: '0'

Test #100:

score: 0
Accepted
time: 60ms
memory: 28404kb

input:

1000 10
XXOOXXXXXXXXXXXXXXXOXXXXOXOOXXOXXXXOXXOXXXXOXXXXXXXXXOOXXXOXXXXXXXXXXOXXXXXXXXXXXXXXXXOXXXOXXXXXXXXXXXXXXOXXXXXXXOXXXXXXOXXXXXOXXXXXXXXXOOOXXXXXOXXOXXOXXOOOXXXXXXXXXXXOXXOXXXXXXXXXXXXXXOXXXXOXXXXOXXXXXXXXXXXXXXXXXOXXXXOXOXXXXXXXOXXXXXXOOXXXXXXOXXXXXXXXXXXXXXXXXXXXXXXXOXXXXXXXXXXOXOXXOXXOXOXX...

output:

0

result:

ok single line: '0'

Test #101:

score: 0
Accepted
time: 51ms
memory: 28384kb

input:

1000 10
OOOOOOOOOXOXOOXOXXOOXXOOOXOOXOOXOXOOOOOOOXOXXOOOXOOXOOOOOOOXOXOOOOOOOOOXOOOOXOOOXXOOOOOOOOOXOOOXOOOOOXOXOOOOOOXXOOOOXOOOOXOOOOXXXOOXOOXOOXOOXXOXXXOOOOOXOOOOOXOOXXOOOOOOOOOXOOOXOOOOXXOOOXOOOOOXOOOOOOOOOXOXOOOOXOXXOOOOOOXOOXOOOXXOOOOXOXOOOOOOOXOOOOOOOOOXOOOOOOXOOXOOOOOOOXOOOOXOOXOXOXOXOOOOOOOX...

output:

1

result:

ok single line: '1'

Test #102:

score: 0
Accepted
time: 57ms
memory: 28328kb

input:

1000 10
OOOOOOOOOXOXOOXOXXOOXXOOOXOOXOOXOXOOOOOOOXOXXOOOXOOXOOOOOOOXOXOOOOOOOOOXOOOOXOOOXXOOOOOOOOOXOOOXOOOOOXOXOOOOOOXXOOOOXOOOOXOOOOXXXOOXOOXOOXOOXXOXXXOOOOOXOOOOOXOOXXOOOOOOOOOXOOOXOOOOXXOOOXOOOOOXOOOOOOOOOXOXOOOOXOXXOOOOOOXOOXOOOXXOOOOXOXOOOOOOOXOOOOOOOOOXOOOOOOXOOXOOOOOOOXOOOOXOOXOXOXOXOOOOOOOX...

output:

0

result:

ok single line: '0'

Test #103:

score: 0
Accepted
time: 61ms
memory: 30608kb

input:

1000 11
OOOXOOOOOXOOOOOOXOXOOOXXOOOXOXOOOOOOOXOOXXOOXXOOOOXOOOOOOOXOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOXOXOOXOXOXOOOOOOOOOOOOXOXOOOOOOOOOOOXOOXOOOXOOOXXOOOOOOOXOOOOOOXOOXOOOOOXOOOOOOXOOXOOOOOXOOOOOOXXXOXXOXOOXOOOXOXOOXOOOOXOOOOOXOOOOOOOXOOOOXOOOXOXOOXOOOOXOOOOOOOOOOOOOOXOOOXOOOOOOOOOOOOXOXOOOOOOOXXOOOOOXX...

output:

0

result:

ok single line: '0'

Test #104:

score: 0
Accepted
time: 63ms
memory: 30616kb

input:

1000 11
OXOOXOOOXXOXXOOOXOXXXOOOOOXOOXOXOXXOOOOXOXXOOOOXOOOOXXOOOOOOOOOXXOOOOOOOOOXXOOXOXOOXOOXXOOOOOOOOXXOOXOXOOOOXXOOOOOXOOXXXOXOOOXXOOXXOOOXOOOOOXOOOXOOOOOXXXOOOOXOOXOXXOOXOOOOOOOOXOXXOXOOXXXOXOXOOXOOXXXOOOOOXOOXXOOOXOOOOXXXOXOXOOXOOXXXOOOOOOOOXXOOOOXOOOXXXOOOOOOOOOXOOXOOOOOOOOOOOOOOXXXOXOOOOOOOO...

output:

1

result:

ok single line: '1'

Test #105:

score: 0
Accepted
time: 68ms
memory: 30564kb

input:

1000 11
OXOOXOOOXXOXXOOOXOXXXOOOOOXOOXOXOXXOOOOXOXXOOOOXOOOOXXOOOOOOOOOXXOOOOOOOOOXXOOXOXOOXOOXXOOOOOOOOXXOOXOXOOOOXXOOOOOXOOXXXOXOOOXXOOXXOOOXOOOOOXOOOXOOOOOXXXOOOOXOOXOXXOOXOOOOOOOOXOXXOXOOXXXOXOXOOXOOXXXOOOOOXOOXXOOOXOOOOXXXOXOXOOXOOXXXOOOOOOOOXXOOOOXOOOXXXOOOOOOOOOXOOXOOOOOOOOOOOOOOXXXOXOOOOOOOO...

output:

0

result:

ok single line: '0'

Test #106:

score: 0
Accepted
time: 41ms
memory: 32664kb

input:

1000 12
OOXXOXXOXXOOOOOOOOOOXOOOXOOXXXOOOOOXXXXOOOOXOOOOXOXXXXXXXOOXOOXXOOXOOXOOXOXXXXOXOOXXXOOOOOOXOXOOXOOXOOOOOOOXOXXOOOOXOXXXXXXOXXOOXOOOOXOOOXXXOXXXXXOOOXXXOOXOXOOOOOOOXOXXXXXXXOXOXOXOOXXOXOXXOOOXOOXXXOOXXOXOOOXOXOOXXXXXOXXOOXXOXXOOOOOXOOXXOXXXOXXOXOXOXXOOOOOOXOOXOOXXXOXOOOXXOOOOXXXXXXXOXOXXXXOO...

output:

0

result:

ok single line: '0'

Test #107:

score: 0
Accepted
time: 61ms
memory: 32648kb

input:

1000 12
OOXXOOOOOOXOXXOOOXOOOOXXXOXXXOOXOOXOXXXOOXXXXOXXOXXOXOXOOXXOXXXOOXOXOOOXXXOXXOOXOXXOXXOOXOOOOOXXOOXXXOOXOXOXXOXXOXOOXOXOOOOXXXXXOXOXXOOXXXXXOOOOXXOXXOOOXOOXXOXOOOXOXOOOOOXXOOXXOOXXOXXOOOOXXOOOOXXXOOOXXXOXOOXXXXXOXXXOOXOOXOXXOXOXOOXXOOXOXXXOOXOXOOOXOOOXXXXXXOXXOOXOXOXOOXXOXOOXXOOXXXXXOOXOOOXO...

output:

1

result:

ok single line: '1'

Test #108:

score: 0
Accepted
time: 67ms
memory: 32676kb

input:

1000 12
OOXXOOOOOOXOXXOOOXOOOOXXXOXXXOOXOOXOXXXOOXXXXOXXOXXOXOXOOXXOXXXOOXOXOOOXXXOXXOOXOXXOXXOOXOOOOOXXOOXXXOOXOXOXXOXXOXOOXOXOOOOXXXXXOXOXXOOXXXXXOOOOXXOXXOOOXOOXXOXOOOXOXOOOOOXXOOXXOOXXOXXOOOOXXOOOOXXXOOOXXXOXOOXXXXXOXXXOOXOOXOXXOXOXOOXXOOXOXXXOOXOXOOOXOOOXXXXXXOXXOOXOXOXOOXXOXOOXXOOXXXXXOOXOOOXO...

output:

0

result:

ok single line: '0'

Test #109:

score: 0
Accepted
time: 63ms
memory: 35108kb

input:

1000 13
OXOXOXXOXOXXXXXXOXXXXXOXOXXOXXOXXXXXXOOXXXXXOOXXXOXXOXXXXXXXXXXOXOXXXXXXXXXXXXXOOXXXXXXOXXXXXXOXXXXOXXXXXXXOXXXXXXOXOXXOOXXXXXOXXXXXOOXXOXXXXXXXXXXXXXXXXXXOXOXXXXXXXXXXXXXOXOXXXXXXOOXXXXXXOXOXXOOXXXXXXXXXXXXXXXXXXOXOXXXOXXXXXXXXOXXXXOOOXXOXXXOXXXXXOXXXXOXXXXXXXOXXXXXXOXOXXXXXXXXXOXOOXXXXXXXX...

output:

0

result:

ok single line: '0'

Test #110:

score: 0
Accepted
time: 63ms
memory: 35212kb

input:

1000 13
XXXXXOOOXOOXXXOXOXOOOXOOOOXXXOOXXOXOXXXOXXOOOOOXOOOXOXXOOOOOXOOXXXOOOOOOOXXOXXXXXXOOOOOOOXXXXXXOOOOXOXXOXXOXOOOOXXOXXXXOXOOXOXOOXXXXXOOOOOXOOXOXOXOOOOOXOOXXXXOOXOOOXOOOOXXXOOOXOOOOOOXXXOOOOOXOOXXXXXOOXOXXOOOXXXXOOOOXXOOXOOOXOXOOOOOOXXXOXOOOXOXOOXXXOXOOOOOOOXXXXXXOOOOXXXXXXXXXOOOOOOOOXXXXXOOO...

output:

1

result:

ok single line: '1'

Test #111:

score: 0
Accepted
time: 64ms
memory: 35172kb

input:

1000 13
XXXXXOOOXOOXXXOXOXOOOXOOOOXXXOOXXOXOXXXOXXOOOOOXOOOXOXXOOOOOXOOXXXOOOOOOOXXOXXXXXXOOOOOOOXXXXXXOOOOXOXXOXXOXOOOOXXOXXXXOXOOXOXOOXXXXXOOOOOXOOXOXOXOOOOOXOOXXXXOOXOOOXOOOOXXXOOOXOOOOOOXXXOOOOOXOOXXXXXOOXOXXOOOXXXXOOOOXXOOXOOOXOXOOOOOOXXXOXOOOXOXOOXXXOXOOOOOOOXXXXXXOOOOXXXXXXXXXOOOOOOOOXXXXXOOO...

output:

0

result:

ok single line: '0'

Test #112:

score: 0
Accepted
time: 56ms
memory: 37132kb

input:

1000 14
XOOOXOOOOOOOOXOOOXXXOOXOOOOXOXOOOOXOOOOXOOXOXOOXOOOXXXOOXOOXOXOOOOOOXXOOOOOOOXOOXOOOOOOOOOOOOOOOOOOOOOOOXXOOXOOOOOOOXOOXOOOXOOOOXOXXOOOOXOOXXOOOOXOOXOOOOOOXOOOOOOOOOOOOOOOOOOOOOXOXOOOOXOOOOOOOXOOOOOOXXXOOOOOOOXOOOOOOOOXOOOOOOXOOOOOXOOOOOXOOXOXXOOOOXXOOOOXOOXOOOOOOOOOOOOOOOXOOOXOOOOOXXOXXXOOO...

output:

0

result:

ok single line: '0'

Test #113:

score: 0
Accepted
time: 61ms
memory: 37212kb

input:

1000 14
XOXOOOXOXOOXOXXXXOOOXOOXOOOOOOOOOXOOOOXOOOOOXXOXOOOXOXXXXOXOOOOXOXXXOOXOXOOOOOOXOXOOXOXOOOXXOXXXOOXOXOXOOXOXOOOOXOOOXXOOOXXXOXOOXOOXOOXXOXOOXXXOOOOOOXOXOOXOXOOOOOOOOOOOXOOOOOOOOXXXOOXOXXXXOOOXOXOXXOXOOOOOXXOXOOXXXOOOOXOXOXOXXOOOXXOOOXXOOOXOOOOXOOOXOXOOXOXOOOOXOXOOOOXOXXXOXXXXOXXOXXOOXOOOXXOO...

output:

1

result:

ok single line: '1'

Test #114:

score: 0
Accepted
time: 61ms
memory: 37132kb

input:

1000 14
XOXOOOXOXOOXOXXXXOOOXOOXOOOOOOOOOXOOOOXOOOOOXXOXOOOXOXXXXOXOOOOXOXXXOOXOXOOOOOOXOXOOXOXOOOXXOXXXOOXOXOXOOXOXOOOOXOOOXXOOOXXXOXOOXOOXOOXXOXOOXXXOOOOOOXOXOOXOXOOOOOOOOOOOXOOOOOOOOXXXOOXOXXXXOOOXOXOXXOXOOOOOXXOXOOXXXOOOOXOXOXOXXOOOXXOOOXXOOOXOOOOXOOOXOXOOXOXOOOOXOXOOOOXOXXXOXXXXOXXOXXOOXOOOXXOO...

output:

0

result:

ok single line: '0'

Test #115:

score: 0
Accepted
time: 61ms
memory: 39580kb

input:

1000 15
XOXXXXXXXOXXOXXXOOOOOXXOXXXOOXOXXOXXXOXOXXOOXOXXXOOOOOOOXXOXXOOXXOXOXXOXXXXXOXXOXOOXXXXXXOXOOXXOOOXOXOOXOOOOXOOXXOOXXXXOXOXOXOOOXXOXXXOXOOXOXXXXXXXOOXXXXXOOXOOOOOOXOXOXOOOOOOOOXOOXXXOXXXXXXXOOOXOOOXXXXOOXOXXOOOOOOXOOXXXOXOOOOOOOOOXXOXXXXXXXOOOXXOXXOXXXOXOOOXOOXXOXXOXOOXOXOOOXXXOOOOOXXOXOOOXO...

output:

0

result:

ok single line: '0'

Test #116:

score: 0
Accepted
time: 64ms
memory: 39544kb

input:

1000 15
XOOOXOXOOOXXOXXXOOXOOXXXOXOXXXXOOOXXOXOOOOOXXOXXOOXXXXXOOOOXOXOOXOOXXXXOOOOOXXOOXOXXOXXXOOXXXOXXXOOOXOOOOOXOXOXOXXXOOOOOOXXOXOXOXXXOXXXOOOOXXXXOOOXXOOOXOXXXOXOOOOXXXOOXOOOXOXXOXXOOXXOOOOOXXOXOXXOXXXOXXXOXOXXXXOXXXXXOXXXXXOOOXXXXOOXXOOXXOXOOXXOXXOXXXXOOXXXXOXXXOXOOOOXXOXXOXXXOOXOXXOOOXOOXOOXX...

output:

1

result:

ok single line: '1'

Test #117:

score: 0
Accepted
time: 61ms
memory: 39660kb

input:

1000 15
XOOOXOXOOOXXOXXXOOXOOXXXOXOXXXXOOOXXOXOOOOOXXOXXOOXXXXXOOOOXOXOOXOOXXXXOOOOOXXOOXOXXOXXXOOXXXOXXXOOOXOOOOOXOXOXOXXXOOOOOOXXOXOXOXXXOXXXOOOOXXXXOOOXXOOOXOXXXOXOOOOXXXOOXOOOXOXXOXXOOXXOOOOOXXOXOXXOXXXOXXXOXOXXXXOXXXXXOXXXXXOOOXXXXOOXXOOXXOXOOXXOXXOXXXXOOXXXXOXXXOXOOOOXXOXXOXXXOOXOXXOOOXOOXOOXX...

output:

0

result:

ok single line: '0'

Test #118:

score: 0
Accepted
time: 45ms
memory: 25664kb

input:

1000 16
XOOXOXXXXXXOXXXXOXXXOXOXXOXOOOOXOXOXXXXXXOOXOXXXXXXXXXXXXOXXOXXOXXXXXOOXXXOXXXXXXXXXXXOXOXXXXXXXOXXXOXXOXXXXXOXOXXXXXXXXOXXXXOOXXXXXOXXXOXXOXXOOXXXXXXXOXOXOXXOXXXXXXXXXOXXXXOXXXXXXXOXXXXXXXOXOXXOXOXOXXXXXXOXXXXXXOXXXXOXXXXXXXXOXOXXXXXXOXXOXXOXXXXXXXOXXXXXXOXXXXXOXXXXXXXXOXXXXOXXXXXXXXOXXXXXX...

output:

0

result:

ok single line: '0'

Test #119:

score: 0
Accepted
time: 55ms
memory: 25504kb

input:

1000 16
XXXOOXOOXOXXXXOXXXOOOOOOXXOXXOXXOXXOOOOOXXXXXOXOOXXOOXXOXOOXOOXXOXXOOOXOOOXXOOXXXXXOXOOXXOXXOXXOOXXOOOOOOOXXOXOXOXXOXOOOOOXOOOOOOXXOOOOXXXXOOOOXOXXOOOOOOOXXOXXXOXXOOXOOXOXXOXXOOXOOXOXOXOXXOXXXOXXOXOOOXXXXOOXXOXOOXOOOXOXOOOOXOOXOOOOOXXXXOOXXXXXOOOXOXOXXOOXOOXXOXOOOXOXXOXXXOXXOOOOOXOOOXXOXOXXO...

output:

1

result:

ok single line: '1'

Test #120:

score: 0
Accepted
time: 59ms
memory: 25668kb

input:

1000 16
XXXOOXOOXOXXXXOXXXOOOOOOXXOXXOXXOXXOOOOOXXXXXOXOOXXOOXXOXOOXOOXXOXXOOOXOOOXXOOXXXXXOXOOXXOXXOXXOOXXOOOOOOOXXOXOXOXXOXOOOOOXOOOOOOXXOOOOXXXXOOOOXOXXOOOOOOOXXOXXXOXXOOXOOXOXXOXXOOXOOXOXOXOXXOXXXOXXOXOOOXXXXOOXXOXOOXOOOXOXOOOOXOOXOOOOOXXXXOOXXXXXOOOXOXOXXOOXOOXXOXOOOXOXXOXXXOXXOOOOOXOOOXXOXOXXO...

output:

0

result:

ok single line: '0'

Test #121:

score: 0
Accepted
time: 61ms
memory: 26928kb

input:

1000 17
OOOOOXOXOOOOOOXOOXXOOOOOOOOOXOOOXOOOOOOOOOOOOOOOOOOOOOXOXOOXOOOXOOOXOOOOOXOOOXOOOOOOOOOOXOOOOXOOOOOOOOOOOOOOOOOOOOOOOOOOOOXXOOOOXOOOOOOXXXOOOOXOOOOOOOOXXXOXOOXXOOOOOOOOOOOOXOOOOOOOXXOOOOOOOOOOOOOOOXOOXOOOXOOOOXOOOOXOOOOXXOOOOOOOOOXXXOOOXOOXOOOOXOOOOOOOOOOXOOOOOXOXOOOOOOXOXXOOOOOXOXXOXXOOOOXO...

output:

0

result:

ok single line: '0'

Test #122:

score: 0
Accepted
time: 52ms
memory: 26896kb

input:

1000 17
OOXXOOOXXXOOOOXOXOOOOOOOXOXOOOOXOXOOOXOXOXXXOOXOXOOOOOOOXOXOOOOOOXOXOOOXOOOXXXOOOOXOXOOOOOOOXOXOOOOXOXOOOXXOOXOOOOOOXOOXXOOOOXXOXOOOOXXOXOXOOXXXOXOOOOXOXOOXOOOOXOXXXOOXOXOOOOOOOXOXXOOXXOXXOOOOXOXOXXOOOXXOOOOOOOOXOOXXOOXXXOXOOOOXXOXOOOOXOXXOOOOOXXXXOOOOXXXXXOOOOOOOOXOXXXOXOXOOXOOXOXOOXOXOXXOX...

output:

1

result:

ok single line: '1'

Test #123:

score: 0
Accepted
time: 59ms
memory: 26856kb

input:

1000 17
OOXXOOOXXXOOOOXOXOOOOOOOXOXOOOOXOXOOOXOXOXXXOOXOXOOOOOOOXOXOOOOOOXOXOOOXOOOXXXOOOOXOXOOOOOOOXOXOOOOXOXOOOXXOOXOOOOOOXOOXXOOOOXXOXOOOOXXOXOXOOXXXOXOOOOXOXOOXOOOOXOXXXOOXOXOOOOOOOXOXXOOXXOXXOOOOXOXOXXOOOXXOOOOOOOOXOOXXOOXXXOXOOOOXXOXOOOOXOXXOOOOOXXXXOOOOXXXXXOOOOOOOOXOXXXOXOXOOXOOXOXOOXOXOXXOX...

output:

0

result:

ok single line: '0'

Test #124:

score: 0
Accepted
time: 64ms
memory: 28096kb

input:

1000 18
XOXOXXXXOXXXXXOXOOOXXXXXOOOOXOOXOXXXXXXOOXXOXXOOOXOOXXOOXOXXOXOOXXOOOOXXXOXXOXXXOOOXXOOXOXOXXXOXXOOOOOXXXXOXXOOOXXXOXOXXXOXOXOOXXOXOXXOXOXOOOXOXOXXXXOXOOOXOXXXXOXOXOOXOOXXXXOOXXXOXXOXXOXOOOXOOXOOXXXXOXXXOOXOOXOOOXOXXXOXXOOOXXOOXOOOXXOOXOOXXOOXOOOXOXOOOOOXXOXXXXXOXXOXOXOOXOOXOXOOXXXOXXXOXOXOO...

output:

0

result:

ok single line: '0'

Test #125:

score: 0
Accepted
time: 69ms
memory: 28080kb

input:

1000 18
XXOOXOOXOXOOOOXXXOOOOXOOOOXXXXOXXOXOXXOXXOXXOOOOOOXOXOOXOOOOOXOOXOXOXXOOXOOOOOOOOOXXXXOXOOOXXXXOOOXOOOXOOOXXXOOXXXOXOXXOOOXXOOXOOOXXOOOOOXXXOXOOXOXXXXXXXXOXOXOXOOOXOOOOXOOXXXXOXXXOOXOOXXXXOOOXOOOOXOOXOOOXXXXOXOOOXXXXXOXXXOXOXOXXXOOOOXXXOOOOOXXXXOXOOOXXXOXXXXOOOXOOOXOXOOXOXXXOXOOXOOXOOXXXXOOX...

output:

1

result:

ok single line: '1'

Test #126:

score: 0
Accepted
time: 55ms
memory: 27984kb

input:

1000 18
XXOOXOOXOXOOOOXXXOOOOXOOOOXXXXOXXOXOXXOXXOXXOOOOOOXOXOOXOOOOOXOOXOXOXXOOXOOOOOOOOOXXXXOXOOOXXXXOOOXOOOXOOOXXXOOXXXOXOXXOOOXXOOXOOOXXOOOOOXXXOXOOXOXXXXXXXXOXOXOXOOOXOOOOXOOXXXXOXXXOOXOOXXXXOOOXOOOOXOOXOOOXXXXOXOOOXXXXXOXXXOXOXOXXXOOOOXXXOOOOOXXXXOXOOOXXXOXXXXOOOXOOOXOXOOXOXXXOXOOXOOXOOXXXXOOX...

output:

0

result:

ok single line: '0'

Test #127:

score: 0
Accepted
time: 70ms
memory: 29292kb

input:

1000 19
XOOXXOXXXXXXOXXXXXXXXXXXXXOXXOXXXXXXXXXXXOXOXXXXXXXXXXXXXXXXXXOOOXXXXXXOXOXXXXXOXXXXXXXXXXXXXXXOXXXXXXXXXXXXXOXXXOXXXXXXOOXXOOOXXXOXXXXXOXXXOXXXXXXXXXXXXXXOXXXXXXOOXXOOXXXXOXXXXOXXXXXXXOXXXXXXOXXXXXXXXOXXXXXOXXXOXXXXXXXXXXXOXXOOOOXXXXXXXOXXXXOXOXXXXXXXXOOXXXXXXXXXOXXXXOOOXXXXXOXXOOXXXXOXXXXX...

output:

0

result:

ok single line: '0'

Test #128:

score: 0
Accepted
time: 61ms
memory: 29276kb

input:

1000 19
XXXOOOXOOOOOOXXOOOOOXOXOXXOOOOOOXOOOOOOXOOOXOXOOOOOXXOXOOOXOXOOXOOOOOOXOOOOOXXOOOOXOOOOOOXXOOOXOXOOOOOXOOXXXXOOXOOOXOXOOXXOOOOOXOOOOOOXOXOOXOOOXXOXXXOOOOOOOOOOOOOOOOXXOOOOOXXOOOXOOOOXOXOOOXOOXXOOOXOOOOOOXXOOXXXOOOOOXOOXOOOXXOXOOOXOOOOOXOOOOOXOOOXOOXOXXXXOOOOXOXXXOOOOOOOOOXXOOOOXXOOOOOXXXOXOX...

output:

1

result:

ok single line: '1'

Test #129:

score: 0
Accepted
time: 47ms
memory: 29228kb

input:

1000 19
XXXOOOXOOOOOOXXOOOOOXOXOXXOOOOOOXOOOOOOXOOOXOXOOOOOXXOXOOOXOXOOXOOOOOOXOOOOOXXOOOOXOOOOOOXXOOOXOXOOOOOXOOXXXXOOXOOOXOXOOXXOOOOOXOOOOOOXOXOOXOOOXXOXXXOOOOOOOOOOOOOOOOXXOOOOOXXOOOXOOOOXOXOOOXOOXXOOOXOOOOOOXXOOXXXOOOOOXOOXOOOXXOXOOOXOOOOOXOOOOOXOOOXOOXOXXXXOOOOXOXXXOOOOOOOOOXXOOOOXXOOOOOXXXOXOX...

output:

0

result:

ok single line: '0'

Test #130:

score: 0
Accepted
time: 76ms
memory: 30732kb

input:

1000 20
OOOXOOOOOOOXOOOOOXOOOXOOOOOOOOOXOXOOOOOOXOOOOOOOOOXOXXOOOOXXOXOOOOOOXXOOOOOOOXOOOXOXOOOOOOOOOOOOOOXOOOOXOOXOXOOOOOOOOOOOOOXXXOXOXOOOOOOXOOXOOXOOOOOXOOOOOOOOOOOOOOOOOXOOOXOXOOXOXOOOOOOXOOXOOOXOOXOXOOOOOXOOXOXOOOOOOOOOOOOOXOOOOXXOOOOOOOOOOXOOOOXOOOOXOOOOOOXXOOOXXXOOOXOOOOOXXOOXOXOOXOXOOOOOXOXO...

output:

0

result:

ok single line: '0'

Test #131:

score: 0
Accepted
time: 67ms
memory: 30612kb

input:

1000 20
OXOOOXOOXOXOOOOXXOOOXOOOOOOOOOXOXXOOOOXXOXOOOOOOXXOOOOOOOXOOOXOXOOOOOOOOOOOOOOXOOOOXOOXOXOOOOOOOOOOOOOXXXOXOXOOOOOOXOOXOOXOOOOOXOOOOOOOOOOOOOOOOOXOOOXOXOOXOXOOOOOOXOOXOOOXOOXOXOOOOOXOOXOXOOOOOOOOOOOOOXOOOOXXOOOOOOOOOOXOOOOXOOOOXOOOOOOXXOOOXXXOOOXOOOOOXXOOXOXOOXOXOOOOOXOXOOXXOOOOXOXOOOOOOOOOO...

output:

1

result:

ok single line: '1'

Test #132:

score: 0
Accepted
time: 71ms
memory: 30612kb

input:

1000 20
OXOOOXOOXOXOOOOXXOOOXOOOOOOOOOXOXXOOOOXXOXOOOOOOXXOOOOOOOXOOOXOXOOOOOOOOOOOOOOXOOOOXOOXOXOOOOOOOOOOOOOXXXOXOXOOOOOOXOOXOOXOOOOOXOOOOOOOOOOOOOOOOOXOOOXOXOOXOXOOOOOOXOOXOOOXOOXOXOOOOOXOOXOXOOOOOOOOOOOOOXOOOOXXOOOOOOOOOOXOOOOXOOOOXOOOOOOXXOOOXXXOOOXOOOOOXXOOXOXOOXOXOOOOOXOXOOXXOOOOXOXOOOOOOOOOO...

output:

0

result:

ok single line: '0'

Test #133:

score: 0
Accepted
time: 62ms
memory: 31884kb

input:

1000 21
OXXXXOOXOOOOOXXXXOXOXXXXXOOXXXOXXXXXXXOOOXOOOOXXXOXOOOXXXXOXOOOOXXXXXOOOOXXOOXOOOXOOOOXOXOXOOOXXOOOXXOXOOXXOOOXXXXXXXOXOOOXOOOXXXXOOOXXXOOOOOXXXXOXXXOXOOOXXXOXOXOOOOXOOOXOXXOXOOXXXXOOXOXXOOOXOXXOOXXOXOOOXOXXXOOXXOOOXXOXOOXOXOOXOOXOXXXOOOXOXXXOOOXXXOXOOOOOXOXOXOXXOOXXOOXOOOXOOOOXXOOOXXXXOOOOO...

output:

0

result:

ok single line: '0'

Test #134:

score: 0
Accepted
time: 64ms
memory: 31692kb

input:

1000 21
XOXXOOXOXXOOXXOXOOOOXOXXOXXXXOXXXOXOXXOXOOOOOXXXOXXXOOXOOOXXOOOOXOOXOXXXXOOXOXXOXOOOXOXOOXXOOOOOXXXOXOXOOXOOXOOOOOOXXXOXXOOOOXXOXXOOOOOOXOXXXOXXOOOOOXXXOXXXOOOOOXXXOOOOOOXXXOOOOXOXXOOOOOOOOXOXOOXXXOXXOXXXOOXXXOXOOOOOXXOOOXXOOXOXOOOOXXXOXOOXOOXXXOOXOXOOXXXOOXXXXXOOOXXOXXXXXOXXXXOXXOOOXOXOXXOX...

output:

1

result:

ok single line: '1'

Test #135:

score: 0
Accepted
time: 61ms
memory: 31684kb

input:

1000 21
XOXXOOXOXXOOXXOXOOOOXOXXOXXXXOXXXOXOXXOXOOOOOXXXOXXXOOXOOOXXOOOOXOOXOXXXXOOXOXXOXOOOXOXOOXXOOOOOXXXOXOXOOXOOXOOOOOOXXXOXXOOOOXXOXXOOOOOOXOXXXOXXOOOOOXXXOXXXOOOOOXXXOOOOOOXXXOOOOXOXXOOOOOOOOXOXOOXXXOXXOXXXOOXXXOXOOOOOXXOOOXXOOXOXOOOOXXXOXOOXOOXXXOOXOXOOXXXOOXXXXXOOOXXOXXXXXOXXXXOXXOOOXOXOXXOX...

output:

0

result:

ok single line: '0'

Test #136:

score: 0
Accepted
time: 64ms
memory: 32968kb

input:

1000 22
XXXXXXXXXXXXXXXOXXOXXXXXXXXXXXXOXXXXXXXXXXOXXXXXOOXXXOXXXOXXXXXXOXXXXOOXXXOXXXXXXXXXOXOXXXXOXOXXXXXXOOXOXOXXOXXXXXXXXXOXXXXXXOXOXXXOXXXXXXXXXXXXXXXXOXXXXXXXXXXXXXOXXXXXOXOXXOXXXXXXXXXOOXXXXXXXXXXXXXXXXXXOXOXXXXXXXXXXXXXXOXXXOXXXOXXXXXXXXXXXXXXOXOXXXXXXOXXXXXXOXXXOXOXXXXXXXXXXXOXXXXXXXXXXXXXX...

output:

0

result:

ok single line: '0'

Test #137:

score: 0
Accepted
time: 70ms
memory: 32900kb

input:

1000 22
OOOOOOOXOXOOOOOXOOOOOXOOOOXXOOOOOOOXOOOOOOXXOOOXXOOOXXOOOOOOOOXOXXOOOXOXOOOXOOXXOXOXOOXXOOOOOOOOXXOOOOOXOXOOOOOOOOOOOOOXOOOOOOXOOOOXOOOOOOOOXXOOOOXOXOOXOXOOOOOOOXXXOOOOOOOOOOOXOOOOOXOXOXOOOOOOOOOOOXXOOOXOOOXXOOOOOOOOOOOXOXOXOOOOOXXOOOOOOXOOOOOXOOOOOOOXOOOXOOOOOOOXOOOOOOOOOXOXOOOOOOOOOXOOXOOX...

output:

1

result:

ok single line: '1'

Test #138:

score: 0
Accepted
time: 62ms
memory: 32968kb

input:

1000 22
OOOOOOOXOXOOOOOXOOOOOXOOOOXXOOOOOOOXOOOOOOXXOOOXXOOOXXOOOOOOOOXOXXOOOXOXOOOXOOXXOXOXOOXXOOOOOOOOXXOOOOOXOXOOOOOOOOOOOOOXOOOOOOXOOOOXOOOOOOOOXXOOOOXOXOOXOXOOOOOOOXXXOOOOOOOOOOOXOOOOOXOXOXOOOOOOOOOOOXXOOOXOOOXXOOOOOOOOOOOXOXOXOOOOOXXOOOOOOXOOOOOXOOOOOOOXOOOXOOOOOOOXOOOOOOOOOXOXOOOOOOOOOXOOXOOX...

output:

0

result:

ok single line: '0'

Test #139:

score: 0
Accepted
time: 91ms
memory: 41368kb

input:

1000 50
XOOOOXOOOOOOOXOOOOOOOOOOOOOXOOOOXOXXXOOOXOOOOOOOXOOOOXOOOOXOXOXOOXOOXXOOOXOXOOOOXXOOOXOOOXOOOXXOOOOXOOOOOOOOOOOOOOOOOOXOOOOXOOOOOXOOOOOOOOOOXOOOOOOXOOOOOOOOOOOXOXOOOOOOXOOOOOOOOOOOOOOOOOOOOXOOOXXOOOOOOXOOOOOXOOOOOOXOOOOOOOOOOXOOOOOOOOOOOOOOOOXOOOOOOOOXOOOOOOOOOOXOXOOOOOOXOXOOOOXXOOOOOOOOOOOX...

output:

0

result:

ok single line: '0'

Test #140:

score: 0
Accepted
time: 85ms
memory: 41416kb

input:

1000 50
XOXOOOXOOOOOOXOOXOXOXOOOXOXOOXXXXOOOXXOOOOXOXOXXOXXOOOOOOOOOOOOOOOXXOOXOOXXOOOOOXXOOXOOOOOOOOOOOOOOOXOOOOOOOOXOXOOOOXXOOXOOOXOOOOXXXOOXOOOOXXOOXXOOXOOXXOOOOOXOOOOOOXOXXXOXOOOXXOOOXXXOOXOOOOOXOXOOOOXOOXXOOOOOOOOOOXOXOXXXOXXOXXOOOXOXXOOXOOOOOXXXOOOOXXOXOOOXXOOOOXOOXOOXXXOXOOOXOXXXXOXOOOXOOOOXO...

output:

1

result:

ok single line: '1'

Test #141:

score: 0
Accepted
time: 81ms
memory: 41372kb

input:

1000 50
XOXOOOXOOOOOOXOOXOXOXOOOXOXOOXXXXOOOXXOOOOXOXOXXOXXOOOOOOOOOOOOOOOXXOOXOOXXOOOOOXXOOXOOOOOOOOOOOOOOOXOOOOOOOOXOXOOOOXXOOXOOOXOOOOXXXOOXOOOOXXOOXXOOXOOXXOOOOOXOOOOOOXOXXXOXOOOXXOOOXXXOOXOOOOOXOXOOOOXOOXXOOOOOOOOOOXOXOXXXOXXOXXOOOXOXXOOXOOOOOXXXOOOOXXOXOOOXXOOOOXOOXOOXXXOXOOOXOXXXXOXOOOXOOOOXO...

output:

0

result:

ok single line: '0'

Test #142:

score: 0
Accepted
time: 94ms
memory: 42164kb

input:

1000 51
XOXXOOOOXOOXOXOXOOOXXXOXOXXOXXXXOOXXOOOOOXXXOOOOOXOXOOXOOXOXOXXOXXXXXXXOXXXXOXXXXXXXOXXOOOOOOXXXOOXOXOOXOXOXOOOXOOOOOXOXOXOOOXXXXOOXXOXOOXXOXXXXXOOXXXOXOXXOXOOXOOXOOOOOXXOOXOOXXXOOOXOOOOOOXOOOXOXOOXXOOOXOOOXXXXOOOOXXXOOXXOOXOOOXOOXXXXXOXOOXXXOOOXOOXXXOOXOOOXOOXOXOOXXOOOXOXOXXXOXOOXXXXXOOXOXO...

output:

0

result:

ok single line: '0'

Test #143:

score: 0
Accepted
time: 90ms
memory: 42340kb

input:

1000 51
XOOOXXXXOXOXXXOOOOOOXOOOXXOXXXXXOOOXOOXOOOXXOOXOOXXXOOXXXOOOXXOOXXOOOOXOXOXXXXXOXXXOXXOOXXOOOXXOXXOOOXOOOXXOXOOXXOOXXOXXOXOXXXXOOXXOOXXXXOXXOOXOOXXXOXOOXXXXXOXOOOOOXXXXOXXOXOXOXOOXOXXXXOXXOOOOXXOOXXXXXOOXXXXOXXOXOOOXOXXOOOOXXOOXOOXOXXXXXOXOXXOXXXOXOXOOXXXXOXOOOXOOXOOOOOXXXOOXOOOOOXXOXOOXXOOX...

output:

1

result:

ok single line: '1'

Test #144:

score: 0
Accepted
time: 71ms
memory: 42124kb

input:

1000 51
XOOOXXXXOXOXXXOOOOOOXOOOXXOXXXXXOOOXOOXOOOXXOOXOOXXXOOXXXOOOXXOOXXOOOOXOXOXXXXXOXXXOXXOOXXOOOXXOXXOOOXOOOXXOXOOXXOOXXOXXOXOXXXXOOXXOOXXXXOXXOOXOOXXXOXOOXXXXXOXOOOOOXXXXOXXOXOXOXOOXOXXXXOXXOOOOXXOOXXXXXOOXXXXOXXOXOOOXOXXOOOOXXOOXOOXOXXXXXOXOXXOXXXOXOXOOXXXXOXOOOXOOXOOOOOXXXOOXOOOOOXXOXOOXXOOX...

output:

0

result:

ok single line: '0'

Test #145:

score: 0
Accepted
time: 99ms
memory: 42756kb

input:

1000 52
XXOXXOXXXXXOXXXXXXXOXXXXXXXXXXXXXOXXOXXXXOXXXXOXXXXOXXXOXOXXXOXXXXXXXXXXOXXXXXXXXXXOXXXXXXXXOXXOOXXOXXXXXOXXXXOXXXXXXOXOXXXXXXXXXOXXOXOOXXXXXXXOXXXXOXXXXXXXXOXXXOXXXXXXXXXXXXXXXXXOXXXXXXXXXXXXXOOXXXXOOXXXXXXXXOXXOXXXXXXXXXOOOXOOOOXXXXXXOOXXXXXXXXXOXXXOXXXXXXXXXOXXXXXXOOXXXXXOXOXOXXXXXXXXOXXX...

output:

0

result:

ok single line: '0'

Test #146:

score: 0
Accepted
time: 82ms
memory: 42680kb

input:

1000 52
OXXOOXOOOXOOOOOOXOXOXOOXOXOXXOXOOOOOXOOOOXOOOOXXXXOOOOOOOOXOOOOOOXOXOOXOOOOXOXOOXOXXOOOOXOOXOOOOXOXOXOOOOOOOOXOOOOOOOOOOOOXOOOOOOOOOOOOOOOOOXXXOOOOXXOXOXOOOOOOOXOOOOOOOOOXXXOOXXXOXOOOOXXOOOOOOXOOXOOOXOOXOXOOOOOOOOOOOXXOOOOOXOXXXOOOXOOOOXOOOOXOOXOXOOOXOOOXOXOOXOOOOOOOOOOOOOOOOOOXOOOOXOOOOOOOO...

output:

1

result:

ok single line: '1'

Test #147:

score: 0
Accepted
time: 88ms
memory: 42760kb

input:

1000 52
OXXOOXOOOXOOOOOOXOXOXOOXOXOXXOXOOOOOXOOOOXOOOOXXXXOOOOOOOOXOOOOOOXOXOOXOOOOXOXOOXOXXOOOOXOOXOOOOXOXOXOOOOOOOOXOOOOOOOOOOOOXOOOOOOOOOOOOOOOOOXXXOOOOXXOXOXOOOOOOOXOOOOOOOOOXXXOOXXXOXOOOOXXOOOOOOXOOXOOOXOOXOXOOOOOOOOOOOXXOOOOOXOXXXOOOXOOOOXOOOOXOOXOXOOOXOOOXOXOOXOOOOOOOOOOOOOOOOOOXOOOOXOOOOOOOO...

output:

0

result:

ok single line: '0'

Test #148:

score: 0
Accepted
time: 118ms
memory: 41024kb

input:

1000 77
OXXOOOXOOOOOOOXOOOOXOXXOOOOOXOOXOOXOOXOOOOOOOOOOOOXOOOXXOOOOOOOXOXOOOOOXXOXOOOXOOOOOXOOXOXOOOOOOOOOOOOOOOOXOXOOXOXOOOOOOXOOOOOOOOOOOXXOOXOXXOOOOOXOXOOOXOXOOOOOOOOOOOOOOOOOOXXOOOOOOOXOOOOOOOOOOOOOOOOOOOOXOOOOOOOOOXOXOXXOOOOOOOOOOOOOOXOOOOOOOOOOOXOXOOOOOXOXXOOOXOXOOOXOOOXOOOOOXXOXOXXOXOOXOOOOO...

output:

0

result:

ok single line: '0'

Test #149:

score: 0
Accepted
time: 111ms
memory: 40860kb

input:

1000 77
XXOXOOOXOXXXOOXXOXXOOOOOOXOOOOOXXOOXXXOXOOXXXOOOOOOOOXXXXOOOXOOOOOOOXOOOXXOXXOXOXOOOXOOOXOOXOOXXXOOOOOXOOOOOOOOOOXXOXOOXOOOOOXOOOOXXOOOXOOOXXOOXOXXOOOOOOOOOOXOOOXOOOXOXXXOXOOOXOXXXOXXOXOOOXOXXXXOOXOXXOXOXXOXXXXOOOOXOOXOOOOXXOOOOXOOXXOXXOOXOOOXOOOOOXOOOOXOOXOXXOOOXOXOOXOXOOXOXOOOOXOOOXXOXOOOX...

output:

1

result:

ok single line: '1'

Test #150:

score: 0
Accepted
time: 115ms
memory: 40984kb

input:

1000 77
XXOXOOOXOXXXOOXXOXXOOOOOOXOOOOOXXOOXXXOXOOXXXOOOOOOOOXXXXOOOXOOOOOOOXOOOXXOXXOXOXOOOXOOOXOOXOOXXXOOOOOXOOOOOOOOOOXXOXOOXOOOOOXOOOOXXOOOXOOOXXOOXOXXOOOOOOOOOOXOOOXOOOXOXXXOXOOOXOXXXOXXOXOOOXOXXXXOOXOXXOXOXXOXXXXOOOOXOOXOOOOXXOOOOXOOXXOXXOOXOOOXOOOOOXOOOOXOOXOXXOOOXOXOOXOXOOXOXOOOOXOOOXXOXOOOX...

output:

0

result:

ok single line: '0'

Test #151:

score: 0
Accepted
time: 107ms
memory: 41336kb

input:

1000 78
OXOXOOXXXXOXOOOXXXXOOXOXOXXXXOOOXOOOXXXOOOXXXXXOXXXXOXOOXXXOOOOXOXOOOOXOXOOXOOXOOOOXOOOXOOXOXXXOOXXXXXXOOOXOXXOOXOXXOXOXOOOXXOOXOXOOXXXXOOOXXOOOOXXXOXOOXOOXOOOXOXXXOOXOXXOOXXOOXXXXXOXOXXOOXXOXXOXOOOXOOXXOXOOXOXXOXOXXOOXOOOXXOOOOOOOOXXXXOXXOXXXXXOOOXOXOXXOXOXOXXXXOOOXXOXXXOXXOOOXOOOOXXXXOXOXO...

output:

0

result:

ok single line: '0'

Test #152:

score: 0
Accepted
time: 102ms
memory: 41444kb

input:

1000 78
XXOOOXOXOXXXXOXOXOOXOOOXOOXOOXOXXOOXXXOXOXOXOXOXXOOXOXOOXOXXOXXXXOOOOXXOXOXOXXOOOOXXXXXXXOXOXOOXXXXOOOOXXOOOOOXXOOOOXXOOXOOOOXXXXOOOOOOXXXOOOOOOOOOOXOOXOOOXXXOOOOXXOOXOOXOOOOOOOOXOXOXXOXOOXXOOOXOOXOOOXXXXOOOOXXOOOXXOOOXXXOOOOXOOOOXXOOXXOOXXOOOOXXXOXOXXXOOOOXXXOXXXOXXOXOXOOXOXXOOXXXOOXXOOXOOX...

output:

1

result:

ok single line: '1'

Test #153:

score: 0
Accepted
time: 123ms
memory: 41504kb

input:

1000 78
XXOOOXOXOXXXXOXOXOOXOOOXOOXOOXOXXOOXXXOXOXOXOXOXXOOXOXOOXOXXOXXXXOOOOXXOXOXOXXOOOOXXXXXXXOXOXOOXXXXOOOOXXOOOOOXXOOOOXXOOXOOOOXXXXOOOOOOXXXOOOOOOOOOOXOOXOOOXXXOOOOXXOOXOOXOOOOOOOOXOXOXXOXOOXXOOOXOOXOOOXXXXOOOOXXOOOXXOOOXXXOOOOXOOOOXXOOXXOOXXOOOOXXXOXOXXXOOOOXXXOXXXOXXOXOXOOXOXXOOXXXOOXXOOXOOX...

output:

0

result:

ok single line: '0'

Test #154:

score: 0
Accepted
time: 117ms
memory: 41772kb

input:

1000 79
OXXXXXXXXXOOXXXXXOOXXXOXXXXXXXXOXXOOXOXXXXXXXXXXXXXXXXXOXOOXXXXOXXOXXXXXOXXXXXXXOXXOOOXXXXOOXXXXOXXXOXOXXXXXXXOXOXXXOXXXXOXOOXOOOXXXOOXXXXXXXXXXXXXXXXXXOXXXXXXXXOXXXXOOXXXOOXXXXXXXXXXXXOXXOOXXXXXXXOOOOOXXOXXXOOXOXXXXXXXXXXXXXXXXXOXXXXOXXXXXXXOXOXOOOXXXXXXXXXXOXXXOXOOXXXXOXXOXXXXXXXXOXXXXOXOX...

output:

0

result:

ok single line: '0'

Test #155:

score: 0
Accepted
time: 108ms
memory: 41812kb

input:

1000 79
XOOOOOOOXXOXOOOXOOXOOOOOOOOXXXOXOXOOXOOOXXOOOOOOXOXXOOOXXOXOXXXOXOOOOOOOOOOOXOOXOOXOXOOXOOXOXXOOXOOOOOOOOOXOXXXOXOOXOOXOXOXOXXOXOOOOXOXXOXOOOXXXOXOOOOXOOOOOOOXOOOOOOXOOXOOOOOOXOOOOXOOOXOXOOOOXXOXXOOXOXOOXXOXOXOOXOOXOOXXOXXXOXOOOOXXOXXXOXXOOOOXOXOXOXOXOOOXXXOOOOOOOOOOOOOXOOXOOOOOOOOXOOXOOXOOO...

output:

1

result:

ok single line: '1'

Test #156:

score: 0
Accepted
time: 107ms
memory: 41652kb

input:

1000 79
XOOOOOOOXXOXOOOXOOXOOOOOOOOXXXOXOXOOXOOOXXOOOOOOXOXXOOOXXOXOXXXOXOOOOOOOOOOOXOOXOOXOXOOXOOXOXXOOXOOOOOOOOOXOXXXOXOOXOOXOXOXOXXOXOOOOXOXXOXOOOXXXOXOOOOXOOOOOOOXOOOOOOXOOXOOOOOOXOOOOXOOOXOXOOOOXXOXXOOXOXOOXXOXOXOOXOOXOOXXOXXXOXOOOOXXOXXXOXXOOOOXOXOXOXOXOOOXXXOOOOOOOOOOOOOXOOXOOOOOOOOXOOXOOXOOO...

output:

0

result:

ok single line: '0'

Test #157:

score: 0
Accepted
time: 131ms
memory: 50344kb

input:

1000 98
OOOOOOOXOOOOOOOOOOOXOOXOOOXOOXOOOOOOOOOOOXOOOOOOOOOXOOXOOOOOOOOOOOOOOOOXXXOOOXOOOOXOOOOOOOOOOXOOOXXXXOXOOOOXOXOOOOXOOOOXXOOOXXOXOOOOOXOOOOXOOOOOXOOOOXOOOOOOXOOOOXOOOOOOOOXOXOOOOOOOOXXXOOOOXOOOOOOXOOXOOOOOOOOOOOOOOOOOOXOOXOOOOOOOOOOXXOOOOOXXOOXOOOOOOOOOOOOXOOOXXOXXOOOOXOOXOXXOOOOOOOOOOOOOXXOO...

output:

0

result:

ok single line: '0'

Test #158:

score: 0
Accepted
time: 153ms
memory: 50364kb

input:

1000 98
OOOXOOOOOXOXOXXOOOOOXOOOOXOXOOOOOOOXOOXOOXOOOOXOXOXXOXXOOXOXXOOXOOXOOXOOXOXOOOXOXOOOOXXOOOXOOOXOOXOOXOOOOOOOOXOXOOOOOOOXOOXOOXOOOOOOOXOOOOOXXXOOXOOXXXOOOOOXOXXOXXXOXXOXOOOOOXOXOOOOOOOXXOOOOXXXXOOOXOOXOOOOOOOXOXOOOXXOOXXOOXOOOOXOOXOOXOXOOXOXOOOOXXXXXXOOOXXOOOXXXOOXOXOOXXOOOXXOOOOXOXXOOOOXOOXX...

output:

1

result:

ok single line: '1'

Test #159:

score: 0
Accepted
time: 155ms
memory: 50400kb

input:

1000 98
OOOXOOOOOXOXOXXOOOOOXOOOOXOXOOOOOOOXOOXOOXOOOOXOXOXXOXXOOXOXXOOXOOXOOXOOXOXOOOXOXOOOOXXOOOXOOOXOOXOOXOOOOOOOOXOXOOOOOOOXOOXOOXOOOOOOOXOOOOOXXXOOXOOXXXOOOOOXOXXOXXXOXXOXOOOOOXOXOOOOOOOXXOOOOXXXXOOOXOOXOOOOOOOXOXOOOXXOOXXOOXOOOOXOOXOOXOXOOXOXOOOOXXXXXXOOOXXOOOXXXOOXOXOOXXOOOXXOOOOXOXXOOOOXOOXX...

output:

0

result:

ok single line: '0'

Test #160:

score: 0
Accepted
time: 147ms
memory: 50924kb

input:

1000 99
OOXOOOOXXOOOXXXXXOOOOOOXOXXOXXOOOOXXXXOOXOXOOOXOXOOOXOOOXOXXOXOOXOXXXXXOOXXOOXXXOOXXXXXOXXXOOXXOOXOOOOOOOXXOOXOXOXXOXXXOOOOXOXXOXOOXOOOOXOOOOOOXOOXOXOXOOXOXXOOXOOXXXOOXXOXOXXXXXOXOOOOOOXOXOOXOXXOOOOOXOOOOOOOXXXXOXXOXXOOOOXXXOXXXOOOXXOXOXOOXXXOOOXXXXXOXOXXXXOOXOXXXXOXXXOOOOOOXXOXOXOXOOOOXOOOX...

output:

0

result:

ok single line: '0'

Test #161:

score: 0
Accepted
time: 156ms
memory: 50908kb

input:

1000 99
OXOXXOOOXOOXXXOOOOOOXXOXXOXOXOXOXOOXXXXOOOOXOXXXXOOOXXXXXXOXOXXXXXOOXOOXOXXXXXXXOOXXXXOOXXOOXXOXOOOOOOOXOXXXXXXXXOXOOOOXXOOOXXXOOOOXOOXXXXXOOOOXXOOXXXXOOOXXOOXOXOOOXXOOXXOOXXXOXOOXXOOOXXXXOOOOXXXXXOOXOOXXOOOXOXOXOXXOXOOOXOOXOOOXXOOOOXOXOOOXXXXXOOOXOXXXXOOOXXOXOOOOOOXXXXXXXXXXXOXOXXXXOOOXOOOO...

output:

1

result:

ok single line: '1'

Test #162:

score: 0
Accepted
time: 153ms
memory: 50912kb

input:

1000 99
OXOXXOOOXOOXXXOOOOOOXXOXXOXOXOXOXOOXXXXOOOOXOXXXXOOOXXXXXXOXOXXXXXOOXOOXOXXXXXXXOOXXXXOOXXOOXXOXOOOOOOOXOXXXXXXXXOXOOOOXXOOOXXXOOOOXOOXXXXXOOOOXXOOXXXXOOOXXOOXOXOOOXXOOXXOOXXXOXOOXXOOOXXXXOOOOXXXXXOOXOOXXOOOXOXOXOXXOXOOOXOOXOOOXXOOOOXOXOOOXXXXXOOOXOXXXXOOOXXOXOOOOOOXXXXXXXXXXXOXOXXXXOOOXOOOO...

output:

0

result:

ok single line: '0'

Test #163:

score: 0
Accepted
time: 139ms
memory: 51472kb

input:

1000 100
XXXXXXOOXOOXXOXXXXXXXXXXOXXOOXXXXXOOXXXXXXOXXOXXXXOXXOXXOXXOXXOXXXXOXXOXXXOXXXXXOXXXXXXOXXXXXXXOXXXXOXXXXXOOXXXXXOXXXXXXXXXXXXXXXXXXOXOXOOXXOXXOXXOOXXXXOXXXXOXXXXXXOOXOXXOOOOXXXXXOXXXXXXXOXXXXXXXXXXXXXXXXOXXXXXXXXXOXOXXOXOXXOOOXXXOXXOXXXXOOOXXOXOXXXOOXXXOXXXOOXXXOXOXXOXXXOXXXXOXOXOXXXOXXXXO...

output:

0

result:

ok single line: '0'

Test #164:

score: 0
Accepted
time: 143ms
memory: 51372kb

input:

1000 100
OOOOXXXOOOOOXXXOOOOOOXXOOXXOXXOXOXOXOXOOXOOXOOOXOOXOOOOOXOOOOOOOOOXXOOXXOOOOXOXOOOOXOOOOOXOOOXOOOOOOOOOXXXOOOOOOXOOOXXOXOOOOXOXOXOXXOXOXOXXXOOOXOXOOOXOOOXXOOOXXOOOXOXXXOOXOXXOOXXOXOXXOOOXOOOXOOOOXXXXOOOOXOXOXOXOOXOXOOOOOOXOXOXXXXOOXXOOXOXOOXOOOOOOXOXXXOXOXOOOOXOOXOXOXOOXOOXOOOOOOOOXOOOXOOXO...

output:

1

result:

ok single line: '1'

Test #165:

score: 0
Accepted
time: 151ms
memory: 51424kb

input:

1000 100
OOOOXXXOOOOOXXXOOOOOOXXOOXXOXXOXOXOXOXOOXOOXOOOXOOXOOOOOXOOOOOOOOOXXOOXXOOOOXOXOOOOXOOOOOXOOOXOOOOOOOOOXXXOOOOOOXOOOXXOXOOOOXOXOXOXXOXOXOXXXOOOXOXOOOXOOOXXOOOXXOOOXOXXXOOXOXXOOXXOXOXXOOOXOOOXOOOOXXXXOOOOXOXOXOXOOXOXOOOOOOXOXOXXXXOOXXOOXOXOOXOOOOOOXOXXXOXOXOOOOXOOXOXOXOOXOOXOOOOOOOOXOOOXOOXO...

output:

0

result:

ok single line: '0'

Test #166:

score: 0
Accepted
time: 187ms
memory: 64628kb

input:

1000 182
OOOOXOOOOXOOXOOOOOOOOOXOXXOOOOOOOXOXOOXXOOOOOOOOOOOOOXXOOOOXOOOOOXOOXOOOXOOOOOOOOOOOOOXOOOOOOOXXOOXOOOOOOOOOOOOXXOOXXXXOXXOOOXOOOOOOOXOOOOOOOXOOXXOOOOOOOOOOXXOOOOXXOOOOOOXOOXOXOOOXOOXOOOOOOXOOOOOOXOOOOOOOXOOXXXXOOOOOOOOXOOOOOOXOOOOOOOOOXOOOXOOOOXXOOXOOOXOOXXXOXOOOXXOOXOOXXXXOOOXXOXOOOOXOOOO...

output:

0

result:

ok single line: '0'

Test #167:

score: 0
Accepted
time: 197ms
memory: 64620kb

input:

1000 182
OOXOXOXOOOOXOOOOXXOOOOOOOOXXOXOOXOXOXOOOOOOXOOOOOXOOOOOXXXOXOOXOOOXOOOXOOOOOOOOOOOOOOXXXOXOXOOXOOOXOOOXXOXOOOXOOOXOOOOXOXOXXXOXOOXXOOOXXOXOOXOOXOXOXOOOOXOOOOOXOOXXOXXXOXOXXOXOOXOOXOXXXXOXOXXXOOXXOOOOOXXOOOOXOXXOOOOOOOOXXOXXOXOOOOXOXOOOOOOXOXXXXOOOOOOOOXOXOOOOOXOOXOOOXXOXOOOOOOXOOOXOOXOOXOOO...

output:

1

result:

ok single line: '1'

Test #168:

score: 0
Accepted
time: 194ms
memory: 64676kb

input:

1000 182
OOXOXOXOOOOXOOOOXXOOOOOOOOXXOXOOXOXOXOOOOOOXOOOOOXOOOOOXXXOXOOXOOOXOOOXOOOOOOOOOOOOOOXXXOXOXOOXOOOXOOOXXOXOOOXOOOXOOOOXOXOXXXOXOOXXOOOXXOXOOXOOXOXOXOOOOXOOOOOXOOXXOXXXOXOXXOXOOXOOXOXXXXOXOXXXOOXXOOOOOXXOOOOXOXXOOOOOOOOXXOXXOXOOOOXOXOOOOOOXOXXXXOOOOOOOOXOXOOOOOXOOXOOOXXOXOOOOOOXOOOXOOXOOXOOO...

output:

0

result:

ok single line: '0'

Test #169:

score: 0
Accepted
time: 199ms
memory: 65268kb

input:

1000 183
XXXXOOXXXXOXOXOOOOXOOXOXOOXOXXOXOXXXOXOOXOXXOOOOXOOOOOOOOOXXOXOXXXOXXOXOOOOXXOXXOOOXOXXXXXXOOOOOOOOXXOOOXOXXXOOOOOXOXOOOOXXOXXOXOOXXOXXOXXOXXXOXOXOOOXOXXXOOOXOXOOXXXXOOOOXOXXOOOXOXOXOOOOXOXOOXOXXOXOXXOXXXOOXXXOXXXOXOOOXXOOOXOXXOXXXOOXOXOOOOOXXXXOXXXXXOOXOOXXXXOOXOOXXXXOOOOOOXOOXXXOXOXOXXXXX...

output:

0

result:

ok single line: '0'

Test #170:

score: 0
Accepted
time: 209ms
memory: 65152kb

input:

1000 183
OOOOOXXOOXXXOXOXXOXOXOOOXOOOOOXXOXXXOXXOOXXOOXOOOXXOXOXOOXXOXXOXOOXXOXOXXOXXOOXXOOOOOXOOXXXOOXXXXXXOXOOOXOXXOOOXXXOXXXOOXOXOOXXOOOOXXOXOOXOOXXXOOXXOOOXOXXOOXOXOOOXOXXXOXXXXOOXOXXXOOXOXXOXOXXXXXXOXXXXXOOOOOXXOXXOXXXXOOXXOXOXXXOXXXOOOOXXXXXXXXOOOOOOOXOXOXOOXXOOOOXXXOOXOOOXOXXXOXOOXXOXXOXOXOOX...

output:

1

result:

ok single line: '1'

Test #171:

score: 0
Accepted
time: 217ms
memory: 65228kb

input:

1000 183
OOOOOXXOOXXXOXOXXOXOXOOOXOOOOOXXOXXXOXXOOXXOOXOOOXXOXOXOOXXOXXOXOOXXOXOXXOXXOOXXOOOOOXOOXXXOOXXXXXXOXOOOXOXXOOOXXXOXXXOOXOXOOXXOOOOXXOXOOXOOXXXOOXXOOOXOXXOOXOXOOOXOXXXOXXXXOOXOXXXOOXOXXOXOXXXXXXOXXXXXOOOOOXXOXXOXXXXOOXXOXOXXXOXXXOOOOXXXXXXXXOOOOOOOXOXOXOOXXOOOOXXXOOXOOOXOXXXOXOOXXOXXOXOXOOX...

output:

0

result:

ok single line: '0'

Test #172:

score: 0
Accepted
time: 201ms
memory: 65476kb

input:

1000 184
XXOXOXXXXOXXXXXXOXXXXXOXXXXXXXXXXXXXXXXXXXXXXOXXXOXXXOXXXXOXXOOXXXXXXXXXOOXXXXXXXXXXXXOXXXXOOXOXXXXXXXXXXXXXXXXXXXXOXXXXXXXXXXOXOXXXXOOXXXXXXXXOXXXOXXXXXXXXOXXXXXXOXXXXXXXOXXXXXXXXOXOXXXXXOXXXXXXXXXXXOXXXXXXXXXOXXXXXXXXXXXOOOXXXXXXXOXXOXXXXXXXXXXXXXXXXXXXXXOOXXXXOXOXXXXXXXXXXXXXOXOOOXXXXXXX...

output:

0

result:

ok single line: '0'

Test #173:

score: 0
Accepted
time: 193ms
memory: 65368kb

input:

1000 184
OXXOXOOOXOOXOOOOOOOOOOXOXOXOOXXXOOOOOOOOOOOXOXXXOOOOOOOOOXOOOOOXXOXXOOOXOXOOOOXOOXOOOXOOOOXXOOXOOOOOXOOOOXOOOOOOXOOOXXOOOOOOOOOOXXOXXOOOOOOXXOOOOOXXOOXOOOOOOOOOXOOOOOOXXXXOOOOOOOXOOOOXXXOXOXXOXOOXXOOOOOOOXOOOOOOOOXOXOOOOOOXOXXOXOOXOOOOOXOOOOOOOOOOXXOOXOOOOOOOOOOXOOOOOOOOOXXOXOOXOOOOOXXXOOXO...

output:

1

result:

ok single line: '1'

Test #174:

score: 0
Accepted
time: 180ms
memory: 65412kb

input:

1000 184
OXXOXOOOXOOXOOOOOOOOOOXOXOXOOXXXOOOOOOOOOOOXOXXXOOOOOOOOOXOOOOOXXOXXOOOXOXOOOOXOOXOOOXOOOOXXOOXOOOOOXOOOOXOOOOOOXOOOXXOOOOOOOOOOXXOXXOOOOOOXXOOOOOXXOOXOOOOOOOOOXOOOOOOXXXXOOOOOOOXOOOOXXXOXOXXOXOOXXOOOOOOOXOOOOOOOOXOXOOOOOOXOXXOXOOXOOOOOXOOOOOOOOOOXXOOXOOOOOOOOOOXOOOOOOOOOXXOXOOXOOOOOXXXOOXO...

output:

0

result:

ok single line: '0'

Test #175:

score: 0
Accepted
time: 199ms
memory: 71192kb

input:

1000 211
XOXOOOOOOOOXOOXXOOOOOOOOOOOOOOXXXXOOOOXOOOOOOXOOXOOOOOOOXOOOXOOOXOXOOOOOOOOOOXOXOXOOOOOOOXOOXOOOOOOOOOXXOOXOOOOOOOOOOOXOOOOOOOOXOXOOOOOOOOOOOOOOOOOOOOOOOXOXOOXOXXXOOXOOOOOOOOOOOOOXOXXOXOXOOOXOOOXOOOOOOOOXOOOXOOOOOOXOOOXOOXOOOOOOXXOXOOOOOOOOOOXOOOOOOOOOXOOOOXOOOOOOXXOOOOOOOOOOOOOXOOOXOXOOXOO...

output:

0

result:

ok single line: '0'

Test #176:

score: 0
Accepted
time: 214ms
memory: 71168kb

input:

1000 211
XXOOOXOOOOOOOOOOOOOXOOXOXOOOXOXOXXOOOOXXXOOOXOXOOOOOOXOOOOOXOOOXXOOOOOOOOOOOXXOXOXXOOOOOOXXXXXOXOXOOOXOXOOOXOXXOOOOXOOOOOXOOOOXOXOOOOOOOOOOXOXXOXOOOOXOXOOOOXXXOOOXOOOOOXOXOXOOOOOOXOOXOOOOOOOOOOOOOXXOXOOOOXOOOOXXXXOOOXOXOOXOOOOXXOXXXOOOXOOOXOXOXXOXOXOOOOXXXOXOXOOXOXOOXOOXOXOOOOOXXOOOOOXOOXOX...

output:

1

result:

ok single line: '1'

Test #177:

score: 0
Accepted
time: 212ms
memory: 71280kb

input:

1000 211
XXOOOXOOOOOOOOOOOOOXOOXOXOOOXOXOXXOOOOXXXOOOXOXOOOOOOXOOOOOXOOOXXOOOOOOOOOOOXXOXOXXOOOOOOXXXXXOXOXOOOXOXOOOXOXXOOOOXOOOOOXOOOOXOXOOOOOOOOOOXOXXOXOOOOXOXOOOOXXXOOOXOOOOOXOXOXOOOOOOXOOXOOOOOOOOOOOOOXXOXOOOOXOOOOXXXXOOOXOXOOXOOOOXXOXXXOOOXOOOXOXOXXOXOXOOOOXXXOXOXOOXOXOOXOOXOXOOOOOXXOOOOOXOOXOX...

output:

0

result:

ok single line: '0'

Test #178:

score: 0
Accepted
time: 204ms
memory: 71268kb

input:

1000 212
XOOXOXXOXXOOXOOOOXXXOOXXXOOXOOXOOXOOOOOOXOOXOXOXOXXOOXXXXOXXOOOXOOXXOOOXOXOXOXXOOXXOOOOOOOXOXOXXOXXXXOOOXOXXOXOXXOOXOOOOOXOXOOOOOOXOOOXOOXXXOOXXOOXOXOXOOOOXXXXXXOXXOXOOOXOXXOXXXXXXXOOXXXXOXOXOXOOXXXXOOXXOXXXXXXXOOXXXXXXXXXXXXXXOXXOOOXOXOOXOXOOOXXOOXOOXOOOXOOOXXXOOOXOXOXXXOXXXOXOXOXXXXXOOOOX...

output:

0

result:

ok single line: '0'

Test #179:

score: 0
Accepted
time: 222ms
memory: 71340kb

input:

1000 212
XXXXOOXOXOOOXXOXXOOOXXXXXXXOXOOXOOOXXXXXXXOOOXXOXOXOXOXXXXOOXXOOOXOXXOOOOXXXOXOOXOXOXXXOOOXXOXXXXXOXXXOOOXXOOOOOOXOOXXOXXOOOXXOXOXOOXXXOXOXXXOOOOXXXOOOOOXOOOOXXOXXOOXOOOXXXXXOXOXXOXOXOXOXOOOOXXXOOXOXXXOXXOXXXXXXOOXXXXOXOOOXOXOOOOXXXXOOOXOXXXXXXOXXOOOXOXXOXOOOOOXXOOOXOXXOXXOOXXOXOOXXOXOOXOOO...

output:

1

result:

ok single line: '1'

Test #180:

score: 0
Accepted
time: 173ms
memory: 71272kb

input:

1000 212
XXXXOOXOXOOOXXOXXOOOXXXXXXXOXOOXOOOXXXXXXXOOOXXOXOXOXOXXXXOOXXOOOXOXXOOOOXXXOXOOXOXOXXXOOOXXOXXXXXOXXXOOOXXOOOOOOXOOXXOXXOOOXXOXOXOOXXXOXOXXXOOOOXXXOOOOOXOOOOXXOXXOOXOOOXXXXXOXOXXOXOXOXOXOOOOXXXOOXOXXXOXXOXXXXXXOOXXXXOXOOOXOXOOOOXXXXOOOXOXXXXXXOXXOOOXOXXOXOOOOOXXOOOXOXXOXXOOXXOXOOXXOXOOXOOO...

output:

0

result:

ok single line: '0'

Test #181:

score: 0
Accepted
time: 199ms
memory: 71280kb

input:

1000 213
XOXXXXXXXXXXXOXXOOXOXXXOOXXXOXXOXXOXXXXXXXXXXXXXXXXXXXXXXXOXXXOXXXXXXXXXXXXXOXXXOXXXXXXXXXXOXXXOXXXXOXOOOXXOXXXOXXXXOXXXXXXOXOOXOXXXXXXOXXXXOOXOXXOOOXXXXXOOXXXXXXXOXXXXOXOXXXXXXOXXXXXOXOXXXXXXOXOXXXOXXOXXOOXXXXOOOOXXOXXXOOXXXOXXXXXOXXXXXXXOOOXXXOXXOXXXOXXXXOXXXXXXXOXXOXOOXXOOXXOOXXOOXXOXXXO...

output:

0

result:

ok single line: '0'

Test #182:

score: 0
Accepted
time: 189ms
memory: 71248kb

input:

1000 213
XOOOOOXOOXOXXOXXOXOOOOOOOOOOOXOXOOOOOOXOXOOOOXOXOOXOXXOXOOXOOXXXXOOXOOOXOOXOOOOOOXOOXXOOXOOXXOOOXXOXXOOOOOOOXOOOXOOXOOOXOOXOXOXOXOOOXOXOOOOOOOOXOXOXOOOOOOOXOXOXOXOOXOOOOXOOXXOXXOXOOXXOOOOOOOOOOOOXOOOOOXOOOOOOOOOOXXXOOOOOOXOOOXOXXOXOOOOOOXOXOOXOXOOXOOOXOXOXOXOXOOOXXXOOOOOXOOOOXXXOOOOXOOXXXOO...

output:

1

result:

ok single line: '1'

Test #183:

score: 0
Accepted
time: 198ms
memory: 71280kb

input:

1000 213
XOOOOOXOOXOXXOXXOXOOOOOOOOOOOXOXOOOOOOXOXOOOOXOXOOXOXXOXOOXOOXXXXOOXOOOXOOXOOOOOOXOOXXOOXOOXXOOOXXOXXOOOOOOOXOOOXOOXOOOXOOXOXOXOXOOOXOXOOOOOOOOXOXOXOOOOOOOXOXOXOXOOXOOOOXOOXXOXXOXOOXXOOOOOOOOOOOOXOOOOOXOOOOOOOOOOXXXOOOOOOXOOOXOXXOXOOOOOOXOXOOXOXOOXOOOXOXOXOXOXOOOXXXOOOOOXOOOOXXXOOOOXOOXXXOO...

output:

0

result:

ok single line: '0'

Test #184:

score: 0
Accepted
time: 258ms
memory: 108036kb

input:

1000 395
OOOOOOOXXXOOOOOXOOOOOOOOOXOOOOOOOXXOXXOOOOXOXOOOXXOOOOXOOOOOOOOOXOOOOOXXOXOOOOOOXOXOOXXOXOOOOOOOOOXOOXXOXXXOOOOOOOOOOXOOOOOOOOOOOOOOXOXXOOXOXOXOOXOXOOOOOOOOOOOXXOOOOXOOXOOOOXOXOOOOOXOOOOXXOXOOOOOOXOOOOOOOXOXXOXOXXXOXOOOOOOOOXOOOXOOXOOOXOOOOOOOOOOOOOOOXOOOOOXXOXOOXOOXXOXOXOOOOOOOOOXOOOOOXOOO...

output:

0

result:

ok single line: '0'

Test #185:

score: 0
Accepted
time: 255ms
memory: 107976kb

input:

1000 395
OOOXOOOXOOOOXOOOXXOOOXXOOOOXOOOOXOOOXOOOXXXXXOOOOXXXOXOOOOXOOOOOOOXOOXXXXXOOOOOXXOXOXOXXOOXOOOXOOOXOOOXOXXOXOOOOXOXXOXOOOOOOOXOOXXXXOOXXOOOOXOOXOXOOOOOOOXXOXXOXXXXOOXOXOXOOOXOOXXOXOOOXOOOXOXOXOOOOOOXOOOOOOOXOOOXOOOXXOXXOOOXXOXXOXOOXXXOOXXOOXOOXXOOOOOOOXOOOOOOOXXOXOOXOXXOOOXOOXXOOXXOXOOXXOXO...

output:

1

result:

ok single line: '1'

Test #186:

score: 0
Accepted
time: 268ms
memory: 107896kb

input:

1000 395
OOOXOOOXOOOOXOOOXXOOOXXOOOOXOOOOXOOOXOOOXXXXXOOOOXXXOXOOOOXOOOOOOOXOOXXXXXOOOOOXXOXOXOXXOOXOOOXOOOXOOOXOXXOXOOOOXOXXOXOOOOOOOXOOXXXXOOXXOOOOXOOXOXOOOOOOOXXOXXOXXXXOOXOXOXOOOXOOXXOXOOOXOOOXOXOXOOOOOOXOOOOOOOXOOOXOOOXXOXXOOOXXOXXOXOOXXXOOXXOOXOOXXOOOOOOOXOOOOOOOXXOXOOXOXXOOOXOOXXOOXXOXOOXXOXO...

output:

0

result:

ok single line: '0'

Test #187:

score: 0
Accepted
time: 256ms
memory: 108240kb

input:

1000 396
XXXOXOOXOOXOXOOOXXOXOOXOXOOXOOXOXXXXXOOOOXXXXOXXOXOOXXOXOXOXXOXOOOOOOOXOXOXOOXOOXOXXOXXOOXOXOXOXOOOXXXOXOOXXXOOXXXOXOOOOXOOOXOXXOXXOOXOXXOOOXOOOXXOXOOOXXXOXXXOXXOXXOXXOXXOOXXXOXXXOOOXXOXXOXOOXXOXOXOXOOXOOOXXXXOOXXOOOOXOOXXXOXXOOXOXXOXXOXOOOOXOOXXOXXXOXOOOOXXOXOOXXXXOXXXOOOXXOOXOOOOOOOOXOXXX...

output:

0

result:

ok single line: '0'

Test #188:

score: 0
Accepted
time: 254ms
memory: 108168kb

input:

1000 396
OXXXOXXOOXOXXXOXOOXOXOXOXOOXXXXXOOOXXXXOXOXXXXXXOXOXOOXXOXOOXOXOXXXXXOXOOXOXOXOXXOXXOOOXOXOOXXXXXXXXXOXOXXXOXOOXOOXOXXXOXOOXOXOOOXOOOXOOXXXOOOOXOXXOXXOXXXOXXXOOXXXOXOXXOOOOXOXOXOXXOOOOOXXXOXXOOOXXOXOOXOXOOOXOXOXXOOXOXOOOXOOXXOOXOXOXOOXXOXXOXXOOXOOOOOOXOOOXXOXOXOXOOXOOXXXOOOOOXXOXXOOOOXXOOOX...

output:

1

result:

ok single line: '1'

Test #189:

score: 0
Accepted
time: 263ms
memory: 108240kb

input:

1000 396
OXXXOXXOOXOXXXOXOOXOXOXOXOOXXXXXOOOXXXXOXOXXXXXXOXOXOOXXOXOOXOXOXXXXXOXOOXOXOXOXXOXXOOOXOXOOXXXXXXXXXOXOXXXOXOOXOOXOXXXOXOOXOXOOOXOOOXOOXXXOOOOXOXXOXXOXXXOXXXOOXXXOXOXXOOOOXOXOXOXXOOOOOXXXOXXOOOXXOXOOXOXOOOXOXOXXOOXOXOOOXOOXXOOXOXOXOOXXOXXOXXOOXOOOOOOXOOOXXOXOXOXOOXOOXXXOOOOOXXOXXOOOOXXOOOX...

output:

0

result:

ok single line: '0'

Test #190:

score: 0
Accepted
time: 262ms
memory: 108580kb

input:

1000 397
XXXOXXOXXOXXXXXXXXXXXXXXOXXXXOXXXXXXOOXXXOOXOXXXXXOXOXXXOXXXXXXXXXOXXXXXOOXOXXOXXOOOXXOXXXXXOXXOOXXOXXOXXXXXXXXXXXOXOXXXOOOXOXXXXXXOOXXXXXXXXOXXXXXXXXXOXXOXOXXXXXXXXXOXXXOXXXXXOXXXXXXXXOXXOXXXXOXXXXXXOXXXXXXXXXXXXXOXXXOXXXXXXXXXXXXXOXOXXXXXXXXOXXOXXXXXXXXOXXXXXOXXXXXOXXXXXOXXXXOXXOXXOOXXXXX...

output:

0

result:

ok single line: '0'

Test #191:

score: 0
Accepted
time: 267ms
memory: 108564kb

input:

1000 397
OXOXXOOOOOOOXOXOOOOOXXXOOXXOXOOOOXOOOXOXXOOXOOXXXXOXOOOOOXXOOXXOOXXOOOXOOOOXOXXOOOOXOXOOXOOOXOXOXOOOXOOOOOOXOXOOOOOOXXOOOXOXOOOXOOXOOXOOXOOXXOOOOOOOOOOXXOXXOOOOOXOXXOOOOOXXOXOOXOOOXXXOOOOOOXXXOOOXXXOXOXXOXOOOOOOXXOOXOOOOXOOOXOOXOOOOOOOXXXXOXOXXXOXOOOOOOXXOOOOOOXOOXXOOOOOXOOXOOXXOOOOOOOOOXXO...

output:

1

result:

ok single line: '1'

Test #192:

score: 0
Accepted
time: 252ms
memory: 108504kb

input:

1000 397
OXOXXOOOOOOOXOXOOOOOXXXOOXXOXOOOOXOOOXOXXOOXOOXXXXOXOOOOOXXOOXXOOXXOOOXOOOOXOXXOOOOXOXOOXOOOXOXOXOOOXOOOOOOXOXOOOOOOXXOOOXOXOOOXOOXOOXOOXOOXXOOOOOOOOOOXXOXXOOOOOXOXXOOOOOXXOXOOXOOOXXXOOOOOOXXXOOOXXXOXOXXOXOOOOOOXXOOXOOOOXOOOXOOXOOOOOOOXXXXOXOXXXOXOOOOOOXXOOOOOOXOOXXOOOOOXOOXOOXXOOOOOOOOOXXO...

output:

0

result:

ok single line: '0'

Test #193:

score: 0
Accepted
time: 393ms
memory: 206544kb

input:

1000 777
OOOOOOOXOOOOOXOOOXOOOXOOOOXOXOOOOOOOOXOOOOOOXXOOXOOXXOOOXOOXOOXOOXOOOOOOOOOXOOOOXOOOXOOOOOXOXXOOXOOOOXXOOOOOOOOXOOOOOXOXOXOOXOOOOOOOOOXOOOOXXOOXOOOOOOOOOOXOOOOXOOXXOOXXOOOOXXOXOXOOOOOOOOOOOXOOXOXOXOOOOOOOXOXOOOOOOXOOOOOXOOOOOOXOOOOOOXXOOXOOOOXOOOOOXOOOOOOXXOOOOOOOOXOOOOOOOOOOOXOXOOOXOOOOOOO...

output:

0

result:

ok single line: '0'

Test #194:

score: 0
Accepted
time: 419ms
memory: 206412kb

input:

1000 777
OOOXOOXOXOXOOXXOOOXOOOOOXXXOXXOXXOOOOXOOXOXOOXOOXOXXOOOXOOXXXOXOOOOXOXXXOOOOOXOXOOOOOOOXXOOOOOXOXXXOOOXXOOXOOXOOOXOOXXXOOXOOXOOXXOOOXOOOOOXXOXOOOXOOXOOOOOOOOOOOOXOOXOXXOOOXXXOOOOOOXXOXXOOOOXOOOOXXOOOOXOOOOXOOOXOOOOOOXXXXOXXXOOOOXXOOOXXOOXOOOOXXOXXXOOOOOXXOXXOOOOOOOOXOOOOOOXXXXOXOOXXOXXOOOXO...

output:

1

result:

ok single line: '1'

Test #195:

score: 0
Accepted
time: 383ms
memory: 206508kb

input:

1000 777
OOOXOOXOXOXOOXXOOOXOOOOOXXXOXXOXXOOOOXOOXOXOOXOOXOXXOOOXOOXXXOXOOOOXOXXXOOOOOXOXOOOOOOOXXOOOOOXOXXXOOOXXOOXOOXOOOXOOXXXOOXOOXOOXXOOOXOOOOOXXOXOOOXOOXOOOOOOOOOOOOXOOXOXXOOOXXXOOOOOOXXOXXOOOOXOOOOXXOOOOXOOOOXOOOXOOOOOOXXXXOXXXOOOOXXOOOXXOOXOOOOXXOXXXOOOOOXXOXXOOOOOOOOXOOOOOOXXXXOXOOXXOXXOOOXO...

output:

1

result:

ok single line: '1'

Test #196:

score: 0
Accepted
time: 396ms
memory: 206712kb

input:

1000 778
XOXOXXOXXXOXOXOXOOXXOXOXXXXOXXOOXOOXXXXOOXOXOOOOOOXOOOXXXXOXOXXOXXOXOOOOXOOXOOOXXXXXOOXXXXOXXXOXXOXXOXOOOOOOOXXOOXXXOOOOXXOXOOXXOOXOXXOOOOOOXOXOOOOOOXOXXXXXOOOXXOXOXOOXXXXXOXXOXOOOOXXXOOXXOOXXXOXOXXXOOOXXOXXXOXXOXOXOXOOXOXOOOXXXXOOOOOOXXXXXOOOOXXXXOOOXOXXXXXXXOOOOOXOOOXXXOOXXXXXOOXOXOXXOXXX...

output:

0

result:

ok single line: '0'

Test #197:

score: 0
Accepted
time: 414ms
memory: 206704kb

input:

1000 778
XXOXOXXXOOXXOXOOXXOXXXOOOXOOOXXXOXOOXXOXOOOOOXOXXOXOOOXXXOOOOXOOOXOOOOXXOOXXOOOXXXXXOOXXXOXOOOOOXXOXOOXOXXXXXXXOXOXOOXOOOOOOOXXOOOOOXOXOOOOXXXXXOXOOXOXXOXOXOXOOXXXOXOXOXOOXOOOXXOXXOOXXOOXXXOOXXOOOOXOXOOXOOXXOXXXXXXOOXXXXOOXOOXOOXOOXXOOOOXXXXOXOXOOOXXOOOOXOOOXXXXOOOXXOOXOXXXOXXOXOOOOOOOOOXOX...

output:

1

result:

ok single line: '1'

Test #198:

score: 0
Accepted
time: 382ms
memory: 206616kb

input:

1000 778
XXOXOXXXOOXXOXOOXXOXXXOOOXOOOXXXOXOOXXOXOOOOOXOXXOXOOOXXXOOOOXOOOXOOOOXXOOXXOOOXXXXXOOXXXOXOOOOOXXOXOOXOXXXXXXXOXOXOOXOOOOOOOXXOOOOOXOXOOOOXXXXXOXOOXOXXOXOXOXOOXXXOXOXOXOOXOOOXXOXXOOXXOOXXXOOXXOOOOXOXOOXOOXXOXXXXXXOOXXXXOOXOOXOOXOOXXOOOOXXXXOXOXOOOXXOOOOXOOOXXXXOOOXXOOXOXXXOXXOXOOOOOOOOOXOX...

output:

0

result:

ok single line: '0'

Test #199:

score: 0
Accepted
time: 392ms
memory: 206876kb

input:

1000 779
XXOXXXXXOOXXXXXXXXXXXXXXXOXXXXXXOXOXXOXXXXXXOOOOXOXOXXXXXOXXXOXXXXOOOXXXXXXXXXXOXXXXOOXXXXOXXXXXXXXOXXOXXXOXXXXXXXXOXXXXXXOXXOXXOXXOXXXXXXXOXXXXXXXXXXXOOXXXXOXXXXXXXXXXXXXXOXXXXXXXOXXOOXXXXXXXOXOXXXXXOXXOXXXXOXXXXXXXXXXXXXOXOXXXXXXOXOXOOXOXXXXXXXXXXXXXXXXXXXXXXXXXXOXXXXXXXXXXOXXOXOXXXXXXXXX...

output:

0

result:

ok single line: '0'

Test #200:

score: 0
Accepted
time: 401ms
memory: 206924kb

input:

1000 779
OXOOOOOOOOOOXOOOXXXOOOOOXXOOXOXOOOXOOOOXOOOOOXOOOXOXOXOOOXOOOXXOXXOOOXOOOOOXXOXOOOOOOOXOOOXXXOOOXXOOXXOOXOOOOOOXXOOXXXXXOOOOOOOOOOOOXOOOOOXXXOOOOOOOOOOXOOOXOOOOOOOOOOOXXXOXXOOXXXXOXOOOOOOOOOOOOXOOXOOOXXOXXXOOXXXOXOOOOOXXXOXOXOXOOXOOOXXXXXXOOXXOOOOOOOXOOOOXXOXOOOXOOXOXXXOOOOXOOXXXOOOXXOOXXXO...

output:

1

result:

ok single line: '1'

Test #201:

score: 0
Accepted
time: 385ms
memory: 206920kb

input:

1000 779
OXOOOOOOOOOOXOOOXXXOOOOOXXOOXOXOOOXOOOOXOOOOOXOOOXOXOXOOOXOOOXXOXXOOOXOOOOOXXOXOOOOOOOXOOOXXXOOOXXOOXXOOXOOOOOOXXOOXXXXXOOOOOOOOOOOOXOOOOOXXXOOOOOOOOOOXOOOXOOOOOOOOOOOXXXOXXOOXXXXOXOOOOOOOOOOOOXOOXOOOXXOXXXOOXXXOXOOOOOXXXOXOXOXOOXOOOXXXXXXOOXXOOOOOOOXOOOOXXOXOOOXOOXOXXXOOOOXOOXXXOOOXXOOXXXO...

output:

0

result:

ok single line: '0'

Test #202:

score: 0
Accepted
time: 419ms
memory: 263376kb

input:

1000 998
OOXOXOOOOOOOOOOOXOOXOOOOXXOOOOOOOXXOOOOOOOXOOOOOOOOOXOOOOOOOOOOOOOOOXOOOXXXXXOOXOOOOOOOOXOOOOOOOOOOXOOOXOOOOOOOXOXOXOOXOXOOXXOOOOOOOOOOOOXOOOXOOOOOOOOOOOXOOOOOOOXOOOOOOOXOXOOOXXOOOXOOOOOOOOXXOOOXOXOXOOXOXOOOOOOOOOOOXOOXOOXOOOXOOOOOOOOOOOOOOOOOXOOOOOXOOOOOOOOOOOOOOOOOXOOOOOOXOXOXXXOOOOOOOOOX...

output:

0

result:

ok single line: '0'

Test #203:

score: 0
Accepted
time: 411ms
memory: 263472kb

input:

1000 998
OXXOOOOOXXOOOOOOXXOOOXOOOOXOOOOOOOXOOOXXOOOOXOOOOXOXOOOXXXOXXXXOOOOOXOXOOOOOXOOOXOOOXXOXXOXOOOXXOXXXXXOOOOOXOXXOXOOOOOOOOXOOXOOOOOOOOXOOOXXOXOOOOXOXOOOXXXXOXXOOOOXOOOOXOXXOOXOOOOOXOOOOXOOXOOOXXOOOXOOOOXXOOOOXOXOXOXOXOOXXXOXXOOOOOOOOOXXOOOXOOOOOXOXOOXXOXXXOXOOOOOOXOOOOXOXOOOOOOOOOXOXOOOXOOOO...

output:

1

result:

ok single line: '1'

Test #204:

score: 0
Accepted
time: 444ms
memory: 263396kb

input:

1000 998
OXXOOOOOXXOOOOOOXXOOOXOOOOXOOOOOOOXOOOXXOOOOXOOOOXOXOOOXXXOXXXXOOOOOXOXOOOOOXOOOXOOOXXOXXOXOOOXXOXXXXXOOOOOXOXXOXOOOOOOOOXOOXOOOOOOOOXOOOXXOXOOOOXOXOOOXXXXOXXOOOOXOOOOXOXXOOXOOOOOXOOOOXOOXOOOXXOOOXOOOOXXOOOOXOXOXOXOXOOXXXOXXOOOOOOOOOXXOOOXOOOOOXOXOOXXOXXXOXOOOOOOXOOOOXOXOOOOOOOOOXOXOOOXOOOO...

output:

1

result:

ok single line: '1'

Test #205:

score: 0
Accepted
time: 444ms
memory: 263732kb

input:

1000 999
OOOXXOOXXOOXOOOOXXXOXXOXOOXXOOXOXXXOXXXOXXXXOXOOXXOXOXXXOOOXXXOXOXXOXOOOXXOXXOXOXOXXOOXXOOOXOOXXXXOOOXOXOXOXOXOOXOXOOOOXOOXOOOOXXOOOXXXOXXOOOXOXXOOOXXXXOOXXXOOOOXOOXOXOOXXXXXOOOXOXXOXOOXXXXOXOOOXXXOOXXOXOXXOXOOOOXOOOXXXOXXOOOOOXXOOOXXXOXOXOXXOXXXOOXXOOOOOOOOOOXOOXXXXOOOXOOXOOOOXOOOOOXOOXXOO...

output:

1

result:

ok single line: '1'

Test #206:

score: 0
Accepted
time: 451ms
memory: 263740kb

input:

1000 999
OXXXXXOOOXOXOOOXOXOXOOXOOXXOOXOXXXXOOXXXXOOOOXOOOOXXXXXOXXOXOXOXXOOXOOXXXOOOOOXOXOXXXOOOXXXXXOXXOOXXXXOXOOXOOXOOOXXOOXXXOXOOOOOOOOXXOXOXXOOXOOXXXOOOXOXXOOXXOXXOOOXXXOXOOXXOXOXXXXXXXOXXOXXXOXXOXOXOOOXXOXXXXXXXXOOOXXXOOXXXXXXOOXXOOOOOOOOXXOOOXOOXOOOXXOOOOXOXOXXOXXOXXOOOOXXXOOXXXOXOXXOXXXOOOXX...

output:

1

result:

ok single line: '1'

Test #207:

score: 0
Accepted
time: 467ms
memory: 263616kb

input:

1000 999
OXXXXXOOOXOXOOOXOXOXOOXOOXXOOXOXXXXOOXXXXOOOOXOOOOXXXXXOXXOXOXOXXOOXOOXXXOOOOOXOXOXXXOOOXXXXXOXXOOXXXXOXOOXOOXOOOXXOOXXXOXOOOOOOOOXXOXOXXOOXOOXXXOOOXOXXOOXXOXXOOOXXXOXOOXXOXOXXXXXXXOXXOXXXOXXOXOXOOOXXOXXXXXXXXOOOXXXOOXXXXXXOOXXOOOOOOOOXXOOOXOOXOOOXXOOOOXOXOXXOXXOXXOOOOXXXOOXXXOXOXXOXXXOOOXX...

output:

1

result:

ok single line: '1'

Test #208:

score: 0
Accepted
time: 439ms
memory: 264072kb

input:

1000 1000
XXXXXXXXOOXXOXXOXXXOOOXXOXOXOXXXXXXXXXOXXXXXXOXXOOXOXXXXXXXXXXXXXXXXXXOXXOOXXXXXXXXXXXOXXXXOOXOXXXXXXXXXOXOXOXXOXXXXOOXOXXOXXOOOXXXXXXXXXOXXXXOXXXXXOXOXXXXXXXXXXXXXXXXOXXXXXXXXOXXXOXXXXXXOXXOXXXXXXXXXXOXXXXXOXOXXXOOXXXOOXXXXXXXXXXXOOXXOXXXXXXOXXXXXXXXXXXXXXOXXXXOXOXXXXXOXXXXXXXXXXOXXOXXXXX...

output:

1

result:

ok single line: '1'

Test #209:

score: 0
Accepted
time: 430ms
memory: 264076kb

input:

1000 1000
OOOOOOXXOXOOXXXOOOOXOOXOOXOOOOOOOOOXXXOOOOOXOXXXOOOOXXXXOOOXOXXOOOOOXOOXOOXXOOOOOOOXOOOOXOXOOXOXOOOOXOOXXOXXOOOOOOOXXXOOOXOOOOOOXOOXXOOXOOOOXOXOOOXOOOOOXOOXXXXXXOOOXXOOOXXXOOOXOXOOXOOOOOOOOOXXOXXXXOOXOOOOOXOXOXOXOOOXOOOOOOXOOXOXOOXOOXOOXXOOOOOOXOOXOOOOXOOOXXOXXOOOOXOXOXXOOXOOXOXOXXOXOOOOXO...

output:

1

result:

ok single line: '1'

Test #210:

score: 0
Accepted
time: 455ms
memory: 263964kb

input:

1000 1000
OOOOOOXXOXOOXXXOOOOXOOXOOXOOOOOOOOOXXXOOOOOXOXXXOOOOXXXXOOOXOXXOOOOOXOOXOOXXOOOOOOOXOOOOXOXOOXOXOOOOXOOXXOXXOOOOOOOXXXOOOXOOOOOOXOOXXOOXOOOOXOXOOOXOOOOOXOOXXXXXXOOOXXOOOXXXOOOXOXOOXOOOOOOOOOXXOXXXXOOXOOOOOXOXOXOXOOOXOOOOOOXOOXOXOOXOOXOOXXOOOOOOXOOXOOOOXOOOXXOXXOOOOXOXOXXOOXOOXOXOXXOXOOOOXO...

output:

1

result:

ok single line: '1'