QOJ.ac

QOJ

ID题目提交者结果用时内存语言文件大小提交时间测评时间
#593871#4673. Knights of Light and DarknessMaMengQiAC ✓1ms3740kbC++23359b2024-09-27 16:35:382024-09-27 16:35:38

詳細信息

Test #1:

score: 100
Accepted
time: 1ms
memory: 3696kb

input:

3
Yes

output:

? L 1 2
! -1

result:

ok impossible!

Test #2:

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

input:

4
No
No

output:

? L 1 2
? L 3 4
! 2

result:

ok 

Test #3:

score: 0
Accepted
time: 1ms
memory: 3672kb

input:

6
No
No
No

output:

? L 1 2
? L 3 4
? L 5 6
! 3

result:

ok 

Test #4:

score: 0
Accepted
time: 0ms
memory: 3596kb

input:

7
No

output:

? L 1 2
! -1

result:

ok impossible!

Test #5:

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

input:

651
No

output:

? L 1 2
! -1

result:

ok impossible!

Test #6:

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

input:

407
No

output:

? L 1 2
! -1

result:

ok impossible!

Test #7:

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

input:

111
Yes

output:

? L 1 2
! -1

result:

ok impossible!

Test #8:

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

input:

629
Yes

output:

? L 1 2
! -1

result:

ok impossible!

Test #9:

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

input:

949
No

output:

? L 1 2
! -1

result:

ok impossible!

Test #10:

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

input:

409
No

output:

? L 1 2
! -1

result:

ok impossible!

Test #11:

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

input:

833
Yes

output:

? L 1 2
! -1

result:

ok impossible!

Test #12:

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

input:

749
No

output:

? L 1 2
! -1

result:

ok impossible!

Test #13:

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

input:

595
No

output:

? L 1 2
! -1

result:

ok impossible!

Test #14:

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

input:

365
No

output:

? L 1 2
! -1

result:

ok impossible!

Test #15:

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

input:

555
No

output:

? L 1 2
! -1

result:

ok impossible!

Test #16:

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

input:

92
Yes
No
Yes
No
Yes
Yes
Yes
Yes
Yes
Yes
No
No
Yes
No
No
No
Yes
Yes
No
No
No
Yes
No
No
Yes
Yes
Yes
No
Yes
No
No
No
No
No
Yes
No
Yes
Yes
Yes
Yes
Yes
Yes
No
No
Yes
No

output:

? L 1 2
? L 3 4
? L 5 6
? L 7 8
? L 9 10
? L 11 12
? L 13 14
? L 15 16
? L 17 18
? L 19 20
? L 21 22
? L 23 24
? L 25 26
? L 27 28
? L 29 30
? L 31 32
? L 33 34
? L 35 36
? L 37 38
? L 39 40
? L 41 42
? L 43 44
? L 45 46
? L 47 48
? L 49 50
? L 51 52
? L 53 54
? L 55 56
? L 57 58
? L 59 60
? L 61 62...

result:

ok 

Test #17:

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

input:

705
No

output:

? L 1 2
! -1

result:

ok impossible!

Test #18:

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

input:

415
No

output:

? L 1 2
! -1

result:

ok impossible!

Test #19:

score: 0
Accepted
time: 1ms
memory: 3592kb

input:

381
Yes

output:

? L 1 2
! -1

result:

ok impossible!

Test #20:

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

input:

904
No
No
Yes
No
Yes
No
Yes
Yes
Yes
No
No
Yes
Yes
No
No
Yes
No
Yes
No
Yes
Yes
Yes
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
No
Yes
Yes
No
Yes
Yes
Yes
Yes
No
Yes
No
No
Yes
No
No
Yes
No
Yes
No
No
No
Yes
No
Yes
Yes
Yes
No
No
No
No
No
No
Yes
No
No
No
Yes
Yes
Yes
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Y...

output:

? L 1 2
? L 3 4
? L 5 6
? L 7 8
? L 9 10
? L 11 12
? L 13 14
? L 15 16
? L 17 18
? L 19 20
? L 21 22
? L 23 24
? L 25 26
? L 27 28
? L 29 30
? L 31 32
? L 33 34
? L 35 36
? L 37 38
? L 39 40
? L 41 42
? L 43 44
? L 45 46
? L 47 48
? L 49 50
? L 51 52
? L 53 54
? L 55 56
? L 57 58
? L 59 60
? L 61 62...

result:

ok 

Test #21:

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

input:

1000
No
No
Yes
No
Yes
No
Yes
No
No
No
Yes
No
Yes
No
Yes
Yes
Yes
Yes
No
No
Yes
Yes
Yes
Yes
No
Yes
No
No
Yes
Yes
Yes
No
No
No
Yes
Yes
Yes
Yes
No
Yes
No
No
Yes
Yes
Yes
Yes
No
Yes
Yes
Yes
No
No
No
No
No
Yes
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
Yes
Yes
Yes
Yes
Yes
No
No
No
Yes
No
No
Yes
No
Yes
Yes
Yes...

output:

? L 1 2
? L 3 4
? L 5 6
? L 7 8
? L 9 10
? L 11 12
? L 13 14
? L 15 16
? L 17 18
? L 19 20
? L 21 22
? L 23 24
? L 25 26
? L 27 28
? L 29 30
? L 31 32
? L 33 34
? L 35 36
? L 37 38
? L 39 40
? L 41 42
? L 43 44
? L 45 46
? L 47 48
? L 49 50
? L 51 52
? L 53 54
? L 55 56
? L 57 58
? L 59 60
? L 61 62...

result:

ok 

Test #22:

score: 0
Accepted
time: 1ms
memory: 3584kb

input:

970
No
Yes
No
No
No
No
Yes
Yes
Yes
Yes
No
No
Yes
No
No
No
Yes
No
Yes
No
No
Yes
Yes
Yes
No
Yes
Yes
Yes
No
Yes
No
No
Yes
No
No
Yes
Yes
No
Yes
No
No
Yes
No
Yes
Yes
Yes
No
No
No
Yes
No
No
No
No
No
No
No
No
No
Yes
No
Yes
Yes
No
Yes
No
No
No
No
Yes
No
No
Yes
No
Yes
Yes
No
Yes
Yes
No
No
Yes
No
No
No
Yes
Ye...

output:

? L 1 2
? L 3 4
? L 5 6
? L 7 8
? L 9 10
? L 11 12
? L 13 14
? L 15 16
? L 17 18
? L 19 20
? L 21 22
? L 23 24
? L 25 26
? L 27 28
? L 29 30
? L 31 32
? L 33 34
? L 35 36
? L 37 38
? L 39 40
? L 41 42
? L 43 44
? L 45 46
? L 47 48
? L 49 50
? L 51 52
? L 53 54
? L 55 56
? L 57 58
? L 59 60
? L 61 62...

result:

ok 

Test #23:

score: 0
Accepted
time: 1ms
memory: 3668kb

input:

953
No

output:

? L 1 2
! -1

result:

ok impossible!

Test #24:

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

input:

180
No
No
No
No
No
Yes
No
Yes
Yes
No
Yes
Yes
Yes
No
Yes
Yes
Yes
Yes
No
No
No
No
Yes
Yes
Yes
Yes
No
Yes
Yes
No
No
No
No
No
No
Yes
Yes
Yes
Yes
No
Yes
No
No
No
No
No
No
Yes
No
No
No
No
Yes
Yes
Yes
No
Yes
No
No
Yes
Yes
No
No
No
Yes
No
Yes
Yes
No
Yes
No
No
Yes
No
Yes
No
No
Yes
No
No
No
No
No
Yes
No
No
Ye...

output:

? L 1 2
? L 3 4
? L 5 6
? L 7 8
? L 9 10
? L 11 12
? L 13 14
? L 15 16
? L 17 18
? L 19 20
? L 21 22
? L 23 24
? L 25 26
? L 27 28
? L 29 30
? L 31 32
? L 33 34
? L 35 36
? L 37 38
? L 39 40
? L 41 42
? L 43 44
? L 45 46
? L 47 48
? L 49 50
? L 51 52
? L 53 54
? L 55 56
? L 57 58
? L 59 60
? L 61 62...

result:

ok 

Test #25:

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

input:

593
No

output:

? L 1 2
! -1

result:

ok impossible!

Test #26:

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

input:

496
Yes
No
No
No
No
Yes
No
No
Yes
Yes
Yes
No
Yes
Yes
No
No
No
Yes
No
Yes
Yes
No
Yes
Yes
No
No
Yes
No
No
Yes
Yes
No
No
Yes
No
No
Yes
No
Yes
No
Yes
No
Yes
No
No
No
Yes
Yes
No
No
Yes
Yes
No
Yes
No
No
Yes
No
No
No
No
No
No
No
No
Yes
No
Yes
Yes
No
Yes
Yes
Yes
No
No
No
No
Yes
No
Yes
Yes
No
Yes
No
No
No
Ye...

output:

? L 1 2
? L 3 4
? L 5 6
? L 7 8
? L 9 10
? L 11 12
? L 13 14
? L 15 16
? L 17 18
? L 19 20
? L 21 22
? L 23 24
? L 25 26
? L 27 28
? L 29 30
? L 31 32
? L 33 34
? L 35 36
? L 37 38
? L 39 40
? L 41 42
? L 43 44
? L 45 46
? L 47 48
? L 49 50
? L 51 52
? L 53 54
? L 55 56
? L 57 58
? L 59 60
? L 61 62...

result:

ok 

Test #27:

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

input:

176
No
No
Yes
Yes
No
No
No
Yes
No
No
No
No
No
Yes
Yes
No
Yes
Yes
Yes
Yes
Yes
No
No
No
Yes
No
No
No
No
Yes
Yes
Yes
Yes
No
Yes
Yes
Yes
Yes
No
No
Yes
No
No
No
No
No
Yes
Yes
No
No
Yes
No
Yes
No
Yes
No
Yes
No
No
No
No
No
No
No
Yes
Yes
Yes
Yes
No
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
Yes
Yes
Yes
Yes
No
Yes

output:

? L 1 2
? L 3 4
? L 5 6
? L 7 8
? L 9 10
? L 11 12
? L 13 14
? L 15 16
? L 17 18
? L 19 20
? L 21 22
? L 23 24
? L 25 26
? L 27 28
? L 29 30
? L 31 32
? L 33 34
? L 35 36
? L 37 38
? L 39 40
? L 41 42
? L 43 44
? L 45 46
? L 47 48
? L 49 50
? L 51 52
? L 53 54
? L 55 56
? L 57 58
? L 59 60
? L 61 62...

result:

ok 

Test #28:

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

input:

553
No

output:

? L 1 2
! -1

result:

ok impossible!

Test #29:

score: 0
Accepted
time: 1ms
memory: 3596kb

input:

186
No
Yes
No
No
Yes
No
Yes
Yes
No
No
Yes
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
Yes
Yes
No
Yes
No
Yes
No
Yes
No
Yes
Yes
Yes
Yes
No
No
No
No
Yes
No
Yes
Yes
No
Yes
No
No
Yes
Yes
Yes
Yes
No
No
Yes
Yes
Yes
No
Yes
Yes
No
Yes
Yes
Yes
No
Yes
Yes
No
No
Yes
Yes
No
Yes
Yes
No
No
Yes
Yes
Yes
No
Yes
Yes
No
No
Ye...

output:

? L 1 2
? L 3 4
? L 5 6
? L 7 8
? L 9 10
? L 11 12
? L 13 14
? L 15 16
? L 17 18
? L 19 20
? L 21 22
? L 23 24
? L 25 26
? L 27 28
? L 29 30
? L 31 32
? L 33 34
? L 35 36
? L 37 38
? L 39 40
? L 41 42
? L 43 44
? L 45 46
? L 47 48
? L 49 50
? L 51 52
? L 53 54
? L 55 56
? L 57 58
? L 59 60
? L 61 62...

result:

ok 

Test #30:

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

input:

469
No

output:

? L 1 2
! -1

result:

ok impossible!

Test #31:

score: 0
Accepted
time: 1ms
memory: 3668kb

input:

566
Yes
No
Yes
No
Yes
Yes
No
Yes
Yes
Yes
No
Yes
Yes
Yes
No
No
Yes
No
No
Yes
Yes
No
No
No
Yes
No
Yes
Yes
Yes
No
No
No
Yes
No
Yes
No
Yes
No
No
Yes
No
Yes
No
No
Yes
Yes
Yes
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
No
Yes
Yes
No
No
Yes
Yes
No
Yes
No
No
Yes
No
No
No
No
No
No
No
No
No
Yes
No
No
No
No
No
No
...

output:

? L 1 2
? L 3 4
? L 5 6
? L 7 8
? L 9 10
? L 11 12
? L 13 14
? L 15 16
? L 17 18
? L 19 20
? L 21 22
? L 23 24
? L 25 26
? L 27 28
? L 29 30
? L 31 32
? L 33 34
? L 35 36
? L 37 38
? L 39 40
? L 41 42
? L 43 44
? L 45 46
? L 47 48
? L 49 50
? L 51 52
? L 53 54
? L 55 56
? L 57 58
? L 59 60
? L 61 62...

result:

ok 

Test #32:

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

input:

974
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
Yes
Yes
No
Yes
Yes
No
Yes
No
Yes
Yes
Yes
Yes
No
Yes
Yes
Yes
No
No
Yes
No
No
No
No
No
No
Yes
Yes
No
Yes
Yes
No
Yes
Yes
No
Yes
Yes
Yes
Yes
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes

output:

? L 1 2
? L 3 4
? L 5 6
? L 7 8
? L 9 10
? L 11 12
? L 13 14
? L 15 16
? L 17 18
? L 19 20
? L 21 22
? L 23 24
? L 25 26
? L 27 28
? L 29 30
? L 31 32
? L 33 34
? L 35 36
? L 37 38
? L 39 40
? L 41 42
? L 43 44
? L 45 46
? L 47 48
? L 49 50
? L 51 52
? L 53 54
? L 55 56
? L 57 58
? L 59 60
? L 61 62...

result:

ok 

Test #33:

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

input:

845
No

output:

? L 1 2
! -1

result:

ok impossible!

Test #34:

score: 0
Accepted
time: 1ms
memory: 3676kb

input:

293
Yes

output:

? L 1 2
! -1

result:

ok impossible!

Test #35:

score: 0
Accepted
time: 1ms
memory: 3672kb

input:

588
Yes
No
No
No
No
No
Yes
No
Yes
No
No
Yes
Yes
No
Yes
Yes
Yes
Yes
No
Yes
Yes
Yes
No
No
Yes
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
Yes
Yes
No
No
Yes
Yes
Yes
Yes
No
Yes
No
No
No
Yes
No
Yes
No
No
Yes
Yes
No
No
No
Yes
No
Yes
Yes
Yes
No
No
No
Yes
Yes
Yes
Yes
No
No
No
No
No
Yes
Yes
No
Yes
No
No
Yes
...

output:

? L 1 2
? L 3 4
? L 5 6
? L 7 8
? L 9 10
? L 11 12
? L 13 14
? L 15 16
? L 17 18
? L 19 20
? L 21 22
? L 23 24
? L 25 26
? L 27 28
? L 29 30
? L 31 32
? L 33 34
? L 35 36
? L 37 38
? L 39 40
? L 41 42
? L 43 44
? L 45 46
? L 47 48
? L 49 50
? L 51 52
? L 53 54
? L 55 56
? L 57 58
? L 59 60
? L 61 62...

result:

ok 

Test #36:

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

input:

933
Yes

output:

? L 1 2
! -1

result:

ok impossible!

Test #37:

score: 0
Accepted
time: 1ms
memory: 3720kb

input:

666
Yes
Yes
Yes
Yes
Yes
No
Yes
No
Yes
Yes
Yes
No
Yes
Yes
No
Yes
Yes
No
Yes
No
No
Yes
Yes
No
Yes
No
No
No
Yes
Yes
No
No
No
No
Yes
No
No
No
Yes
No
No
No
No
No
Yes
No
No
Yes
Yes
Yes
No
Yes
Yes
No
Yes
No
Yes
No
Yes
Yes
Yes
Yes
No
No
No
No
Yes
Yes
Yes
Yes
Yes
No
No
Yes
No
Yes
No
No
Yes
Yes
Yes
No
Yes
Yes...

output:

? L 1 2
? L 3 4
? L 5 6
? L 7 8
? L 9 10
? L 11 12
? L 13 14
? L 15 16
? L 17 18
? L 19 20
? L 21 22
? L 23 24
? L 25 26
? L 27 28
? L 29 30
? L 31 32
? L 33 34
? L 35 36
? L 37 38
? L 39 40
? L 41 42
? L 43 44
? L 45 46
? L 47 48
? L 49 50
? L 51 52
? L 53 54
? L 55 56
? L 57 58
? L 59 60
? L 61 62...

result:

ok 

Test #38:

score: 0
Accepted
time: 1ms
memory: 3592kb

input:

299
Yes

output:

? L 1 2
! -1

result:

ok impossible!

Test #39:

score: 0
Accepted
time: 1ms
memory: 3676kb

input:

549
Yes

output:

? L 1 2
! -1

result:

ok impossible!

Test #40:

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

input:

709
Yes

output:

? L 1 2
! -1

result:

ok impossible!

Test #41:

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

input:

939
No

output:

? L 1 2
! -1

result:

ok impossible!

Test #42:

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

input:

461
No

output:

? L 1 2
! -1

result:

ok impossible!

Test #43:

score: 0
Accepted
time: 1ms
memory: 3596kb

input:

33
No

output:

? L 1 2
! -1

result:

ok impossible!

Test #44:

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

input:

804
Yes
No
No
Yes
Yes
No
No
Yes
Yes
No
Yes
Yes
No
No
Yes
No
Yes
No
Yes
Yes
No
No
Yes
No
Yes
No
Yes
Yes
Yes
No
Yes
No
No
Yes
Yes
No
Yes
No
Yes
Yes
No
Yes
Yes
Yes
No
No
Yes
Yes
No
No
No
Yes
Yes
Yes
No
No
Yes
Yes
Yes
No
Yes
No
Yes
Yes
No
No
No
No
No
No
Yes
No
No
Yes
Yes
Yes
No
Yes
Yes
Yes
Yes
Yes
No
Ye...

output:

? L 1 2
? L 3 4
? L 5 6
? L 7 8
? L 9 10
? L 11 12
? L 13 14
? L 15 16
? L 17 18
? L 19 20
? L 21 22
? L 23 24
? L 25 26
? L 27 28
? L 29 30
? L 31 32
? L 33 34
? L 35 36
? L 37 38
? L 39 40
? L 41 42
? L 43 44
? L 45 46
? L 47 48
? L 49 50
? L 51 52
? L 53 54
? L 55 56
? L 57 58
? L 59 60
? L 61 62...

result:

ok 

Test #45:

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

input:

536
No
No
Yes
Yes
No
No
Yes
Yes
No
No
Yes
Yes
No
Yes
Yes
Yes
Yes
No
No
No
Yes
No
Yes
No
Yes
No
Yes
Yes
Yes
No
No
Yes
Yes
Yes
No
No
No
Yes
No
Yes
No
Yes
No
Yes
Yes
Yes
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
Yes
Yes
No
No
Yes
Yes
No
No
Yes
No
No
Yes
Yes
Yes
Yes
No
Yes
No
No
No
Yes
Yes
No
No
No
No
Yes
Ye...

output:

? L 1 2
? L 3 4
? L 5 6
? L 7 8
? L 9 10
? L 11 12
? L 13 14
? L 15 16
? L 17 18
? L 19 20
? L 21 22
? L 23 24
? L 25 26
? L 27 28
? L 29 30
? L 31 32
? L 33 34
? L 35 36
? L 37 38
? L 39 40
? L 41 42
? L 43 44
? L 45 46
? L 47 48
? L 49 50
? L 51 52
? L 53 54
? L 55 56
? L 57 58
? L 59 60
? L 61 62...

result:

ok 

Test #46:

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

input:

797
Yes

output:

? L 1 2
! -1

result:

ok impossible!

Test #47:

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

input:

486
Yes
No
No
Yes
No
No
No
No
No
Yes
No
No
Yes
Yes
No
Yes
Yes
No
No
Yes
Yes
No
Yes
No
Yes
Yes
Yes
Yes
Yes
No
No
No
No
Yes
Yes
No
No
No
No
No
Yes
No
No
No
Yes
Yes
No
Yes
No
No
No
No
No
No
No
Yes
No
No
No
No
No
No
No
Yes
No
No
No
No
Yes
No
Yes
Yes
No
Yes
No
No
Yes
Yes
No
Yes
Yes
Yes

output:

? L 1 2
? L 3 4
? L 5 6
? L 7 8
? L 9 10
? L 11 12
? L 13 14
? L 15 16
? L 17 18
? L 19 20
? L 21 22
? L 23 24
? L 25 26
? L 27 28
? L 29 30
? L 31 32
? L 33 34
? L 35 36
? L 37 38
? L 39 40
? L 41 42
? L 43 44
? L 45 46
? L 47 48
? L 49 50
? L 51 52
? L 53 54
? L 55 56
? L 57 58
? L 59 60
? L 61 62...

result:

ok 

Test #48:

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

input:

281
No

output:

? L 1 2
! -1

result:

ok impossible!

Test #49:

score: 0
Accepted
time: 1ms
memory: 3584kb

input:

68
Yes
Yes
Yes
No
No
No
Yes
Yes
Yes
No
Yes
Yes
Yes
No
No
No
No
No
Yes
No
No
No
Yes
No
No
Yes
Yes
Yes
Yes
No
Yes
Yes
No
Yes

output:

? L 1 2
? L 3 4
? L 5 6
? L 7 8
? L 9 10
? L 11 12
? L 13 14
? L 15 16
? L 17 18
? L 19 20
? L 21 22
? L 23 24
? L 25 26
? L 27 28
? L 29 30
? L 31 32
? L 33 34
? L 35 36
? L 37 38
? L 39 40
? L 41 42
? L 43 44
? L 45 46
? L 47 48
? L 49 50
? L 51 52
? L 53 54
? L 55 56
? L 57 58
? L 59 60
? L 61 62...

result:

ok 

Test #50:

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

input:

710
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
Yes
No
Yes
No
No
Yes
Yes
Yes
Yes
Yes
Yes
No
Yes
Yes
No
No
Yes
No
No
No
Yes
No
Yes
No
Yes
Yes
No
Yes
Yes
No
No
No
No
Yes
Yes
No
Yes
Yes
Yes
Yes
No
No
Yes
No
Yes
Yes
Yes
Yes
Yes
No
Yes
No
Yes
No
No
Yes
Yes
No
Yes
Yes
Yes
No
Yes
No
Yes
Yes
Yes
No
Yes
No
Yes
Yes...

output:

? L 1 2
? L 3 4
? L 5 6
? L 7 8
? L 9 10
? L 11 12
? L 13 14
? L 15 16
? L 17 18
? L 19 20
? L 21 22
? L 23 24
? L 25 26
? L 27 28
? L 29 30
? L 31 32
? L 33 34
? L 35 36
? L 37 38
? L 39 40
? L 41 42
? L 43 44
? L 45 46
? L 47 48
? L 49 50
? L 51 52
? L 53 54
? L 55 56
? L 57 58
? L 59 60
? L 61 62...

result:

ok 

Test #51:

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

input:

847
Yes

output:

? L 1 2
! -1

result:

ok impossible!

Test #52:

score: 0
Accepted
time: 1ms
memory: 3672kb

input:

8
No
No
No
No

output:

? L 1 2
? L 3 4
? L 5 6
? L 7 8
! 4

result:

ok 

Test #53:

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

input:

362
No
Yes
No
Yes
Yes
Yes
Yes
Yes
Yes
No
Yes
No
Yes
Yes
No
No
Yes
No
Yes
Yes
No
Yes
No
Yes
Yes
Yes
Yes
Yes
Yes
No
No
Yes
Yes
No
No
Yes
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
Yes
No
No
Yes
No
Yes
No
Yes
Yes
No
No
Yes
Yes
Yes
Yes
Yes
No
Yes
No
Yes
Yes
No
Yes
No
Yes
No
Yes
Yes
Yes
Yes
Yes
No
No
No
No
Y...

output:

? L 1 2
? L 3 4
? L 5 6
? L 7 8
? L 9 10
? L 11 12
? L 13 14
? L 15 16
? L 17 18
? L 19 20
? L 21 22
? L 23 24
? L 25 26
? L 27 28
? L 29 30
? L 31 32
? L 33 34
? L 35 36
? L 37 38
? L 39 40
? L 41 42
? L 43 44
? L 45 46
? L 47 48
? L 49 50
? L 51 52
? L 53 54
? L 55 56
? L 57 58
? L 59 60
? L 61 62...

result:

ok 

Test #54:

score: 0
Accepted
time: 1ms
memory: 3592kb

input:

446
Yes
Yes
No
Yes
No
Yes
No
No
Yes
Yes
Yes
Yes
No
Yes
Yes
No
Yes
No
No
Yes
No
Yes
Yes
Yes
Yes
No
Yes
Yes
Yes
Yes
No
No
Yes
Yes
No
No
No
Yes
No
Yes
No
No
Yes
Yes
No
No
No
Yes
No
Yes
No
Yes
No
No
Yes
Yes
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
Yes
Yes
No
Yes
No
Yes
No
Yes
Yes
No
Yes
No
Yes
Yes
Yes
No...

output:

? L 1 2
? L 3 4
? L 5 6
? L 7 8
? L 9 10
? L 11 12
? L 13 14
? L 15 16
? L 17 18
? L 19 20
? L 21 22
? L 23 24
? L 25 26
? L 27 28
? L 29 30
? L 31 32
? L 33 34
? L 35 36
? L 37 38
? L 39 40
? L 41 42
? L 43 44
? L 45 46
? L 47 48
? L 49 50
? L 51 52
? L 53 54
? L 55 56
? L 57 58
? L 59 60
? L 61 62...

result:

ok 

Test #55:

score: 0
Accepted
time: 1ms
memory: 3604kb

input:

331
No

output:

? L 1 2
! -1

result:

ok impossible!

Test #56:

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

input:

931
No

output:

? L 1 2
! -1

result:

ok impossible!

Test #57:

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

input:

197
No

output:

? L 1 2
! -1

result:

ok impossible!

Test #58:

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

input:

585
No

output:

? L 1 2
! -1

result:

ok impossible!

Test #59:

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

input:

500
No
Yes
No
Yes
Yes
No
No
Yes
No
Yes
No
Yes
No
No
Yes
No
Yes
Yes
Yes
No
No
Yes
No
Yes
Yes
No
No
Yes
Yes
Yes
No
No
No
No
No
No
No
Yes
Yes
Yes
No
No
No
Yes
No
Yes
No
No
Yes
Yes
Yes
Yes
Yes
No
Yes
Yes
No
No
No
No
No
No
Yes
Yes
No
No
No
Yes
Yes
Yes
Yes
Yes
No
No
No
No
Yes
No
No
No
Yes
Yes
No
No
No
Yes...

output:

? L 1 2
? L 3 4
? L 5 6
? L 7 8
? L 9 10
? L 11 12
? L 13 14
? L 15 16
? L 17 18
? L 19 20
? L 21 22
? L 23 24
? L 25 26
? L 27 28
? L 29 30
? L 31 32
? L 33 34
? L 35 36
? L 37 38
? L 39 40
? L 41 42
? L 43 44
? L 45 46
? L 47 48
? L 49 50
? L 51 52
? L 53 54
? L 55 56
? L 57 58
? L 59 60
? L 61 62...

result:

ok 

Test #60:

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

input:

546
No
Yes
Yes
No
Yes
No
No
Yes
No
Yes
Yes
Yes
No
No
No
Yes
No
No
No
No
No
No
No
No
No
Yes
No
Yes
Yes
No
Yes
No
No
No
No
Yes
No
No
Yes
No
Yes
Yes
No
Yes
Yes
No
No
Yes
No
No
No
Yes
Yes
Yes
No
No
No
Yes
Yes
No
No
Yes
No
No
Yes
Yes
No
No
Yes
Yes
No
No
Yes
No
No
No
Yes
Yes
Yes
No
Yes
No
No
Yes
No
Yes
No...

output:

? L 1 2
? L 3 4
? L 5 6
? L 7 8
? L 9 10
? L 11 12
? L 13 14
? L 15 16
? L 17 18
? L 19 20
? L 21 22
? L 23 24
? L 25 26
? L 27 28
? L 29 30
? L 31 32
? L 33 34
? L 35 36
? L 37 38
? L 39 40
? L 41 42
? L 43 44
? L 45 46
? L 47 48
? L 49 50
? L 51 52
? L 53 54
? L 55 56
? L 57 58
? L 59 60
? L 61 62...

result:

ok 

Test #61:

score: 0
Accepted
time: 1ms
memory: 3592kb

input:

347
No

output:

? L 1 2
! -1

result:

ok impossible!

Test #62:

score: 0
Accepted
time: 1ms
memory: 3676kb

input:

163
Yes

output:

? L 1 2
! -1

result:

ok impossible!

Test #63:

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

input:

873
No

output:

? L 1 2
! -1

result:

ok impossible!

Test #64:

score: 0
Accepted
time: 1ms
memory: 3676kb

input:

327
Yes

output:

? L 1 2
! -1

result:

ok impossible!

Test #65:

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

input:

531
Yes

output:

? L 1 2
! -1

result:

ok impossible!

Test #66:

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

input:

204
No
No
No
Yes
Yes
Yes
No
Yes
Yes
No
No
No
Yes
Yes
No
Yes
No
No
No
Yes
No
No
Yes
No
No
No
Yes
Yes
No
No
Yes
Yes
Yes
Yes
Yes

output:

? L 1 2
? L 3 4
? L 5 6
? L 7 8
? L 9 10
? L 11 12
? L 13 14
? L 15 16
? L 17 18
? L 19 20
? L 21 22
? L 23 24
? L 25 26
? L 27 28
? L 29 30
? L 31 32
? L 33 34
? L 35 36
? L 37 38
? L 39 40
? L 41 42
? L 43 44
? L 45 46
? L 47 48
? L 49 50
? L 51 52
? L 53 54
? L 55 56
? L 57 58
? L 59 60
? L 61 62...

result:

ok 

Test #67:

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

input:

107
Yes

output:

? L 1 2
! -1

result:

ok impossible!

Test #68:

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

input:

431
No

output:

? L 1 2
! -1

result:

ok impossible!

Test #69:

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

input:

19
No

output:

? L 1 2
! -1

result:

ok impossible!

Test #70:

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

input:

582
Yes
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
Yes
Yes
No
Yes
No
No
No
No
Yes
Yes
No
No
No
No
Yes
Yes
Yes
Yes
Yes
No
No
No
Yes
No
No
No
Yes
Yes
No
Yes
No
Yes
No
Yes
No
Yes
Yes
Yes
Yes
No
Yes
Yes
No
No
Yes
No
Yes
Yes
No
No
Yes
Yes
Yes
No
No
No
No
No
No
No
Yes
No
Yes
Yes
No
Yes
Yes
Yes
No
No
No
Ye...

output:

? L 1 2
? L 3 4
? L 5 6
? L 7 8
? L 9 10
? L 11 12
? L 13 14
? L 15 16
? L 17 18
? L 19 20
? L 21 22
? L 23 24
? L 25 26
? L 27 28
? L 29 30
? L 31 32
? L 33 34
? L 35 36
? L 37 38
? L 39 40
? L 41 42
? L 43 44
? L 45 46
? L 47 48
? L 49 50
? L 51 52
? L 53 54
? L 55 56
? L 57 58
? L 59 60
? L 61 62...

result:

ok 

Test #71:

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

input:

335
No

output:

? L 1 2
! -1

result:

ok impossible!

Test #72:

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

input:

464
No
Yes
No
No
No
Yes
Yes
Yes
No
No
Yes
No
No
Yes
No
No
No
No
Yes
No
No
No
No
No
No
Yes
No
No
Yes
No
No
Yes
No
No
No
Yes
Yes
No
No
No
Yes
Yes
No
Yes
No
Yes
Yes
No
Yes
Yes
No
No
No
No
No
No
Yes
Yes
No
Yes
Yes
Yes
No
No
No
Yes
No
No
Yes
Yes
Yes
Yes
No
Yes
Yes
Yes
Yes
Yes

output:

? L 1 2
? L 3 4
? L 5 6
? L 7 8
? L 9 10
? L 11 12
? L 13 14
? L 15 16
? L 17 18
? L 19 20
? L 21 22
? L 23 24
? L 25 26
? L 27 28
? L 29 30
? L 31 32
? L 33 34
? L 35 36
? L 37 38
? L 39 40
? L 41 42
? L 43 44
? L 45 46
? L 47 48
? L 49 50
? L 51 52
? L 53 54
? L 55 56
? L 57 58
? L 59 60
? L 61 62...

result:

ok 

Test #73:

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

input:

348
No
No
No
No
Yes
No
No
Yes
Yes
No
No
Yes
No
Yes
Yes
No
No
No
No
Yes
No
Yes
Yes
Yes
No
Yes
No
No
No
No
No
No
Yes
Yes
Yes
No
Yes
Yes
No
No
Yes
No
No
Yes
No
Yes
No
Yes
No
No
Yes
Yes
Yes
Yes
No
No
Yes
No
No
No
No
Yes
Yes
No
Yes
No
Yes
No
No
No
No
No
Yes
No
No
No
No
Yes
No
Yes
Yes
Yes
No
Yes
Yes
Yes
Y...

output:

? L 1 2
? L 3 4
? L 5 6
? L 7 8
? L 9 10
? L 11 12
? L 13 14
? L 15 16
? L 17 18
? L 19 20
? L 21 22
? L 23 24
? L 25 26
? L 27 28
? L 29 30
? L 31 32
? L 33 34
? L 35 36
? L 37 38
? L 39 40
? L 41 42
? L 43 44
? L 45 46
? L 47 48
? L 49 50
? L 51 52
? L 53 54
? L 55 56
? L 57 58
? L 59 60
? L 61 62...

result:

ok 

Test #74:

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

input:

13
No

output:

? L 1 2
! -1

result:

ok impossible!

Test #75:

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

input:

780
Yes
Yes
No
Yes
Yes
Yes
No
No
Yes
No
Yes
Yes
Yes
No
Yes
No
Yes
No
No
No
Yes
No
Yes
Yes
Yes
No
No
Yes
No
No
Yes
No
No
No
Yes
Yes
No
Yes
No
No
Yes
No
Yes
Yes
No
No
Yes
No
Yes
No
Yes
Yes
Yes
No
Yes
Yes
No
No
Yes
No
No
No
Yes
No
Yes
Yes
No
No
No
Yes
Yes
No
Yes
Yes
Yes
No
No
Yes
Yes
No
Yes
Yes
Yes
No
...

output:

? L 1 2
? L 3 4
? L 5 6
? L 7 8
? L 9 10
? L 11 12
? L 13 14
? L 15 16
? L 17 18
? L 19 20
? L 21 22
? L 23 24
? L 25 26
? L 27 28
? L 29 30
? L 31 32
? L 33 34
? L 35 36
? L 37 38
? L 39 40
? L 41 42
? L 43 44
? L 45 46
? L 47 48
? L 49 50
? L 51 52
? L 53 54
? L 55 56
? L 57 58
? L 59 60
? L 61 62...

result:

ok 

Test #76:

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

input:

49
No

output:

? L 1 2
! -1

result:

ok impossible!

Test #77:

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

input:

669
Yes

output:

? L 1 2
! -1

result:

ok impossible!

Test #78:

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

input:

877
Yes

output:

? L 1 2
! -1

result:

ok impossible!

Test #79:

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

input:

470
Yes
No
Yes
Yes
Yes
Yes
No
Yes
No
No
Yes
Yes
Yes
No
Yes
Yes
Yes
Yes
No
No
Yes
Yes
No
Yes
Yes
Yes
No
No
Yes
No
Yes
Yes
Yes
No
No
Yes
Yes
Yes
Yes
Yes
No
Yes
Yes
Yes
No
No
Yes
Yes
No
Yes
No
No
Yes
No
No
No
Yes
Yes
No
No
No
Yes
No
No
Yes
Yes
No
No
No
Yes
Yes
No
Yes
No
Yes
No
Yes
Yes
Yes
No
Yes
Yes
No...

output:

? L 1 2
? L 3 4
? L 5 6
? L 7 8
? L 9 10
? L 11 12
? L 13 14
? L 15 16
? L 17 18
? L 19 20
? L 21 22
? L 23 24
? L 25 26
? L 27 28
? L 29 30
? L 31 32
? L 33 34
? L 35 36
? L 37 38
? L 39 40
? L 41 42
? L 43 44
? L 45 46
? L 47 48
? L 49 50
? L 51 52
? L 53 54
? L 55 56
? L 57 58
? L 59 60
? L 61 62...

result:

ok 

Test #80:

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

input:

849
No

output:

? L 1 2
! -1

result:

ok impossible!

Test #81:

score: 0
Accepted
time: 1ms
memory: 3592kb

input:

613
No

output:

? L 1 2
! -1

result:

ok impossible!

Test #82:

score: 0
Accepted
time: 1ms
memory: 3676kb

input:

614
No
Yes
No
Yes
Yes
Yes
Yes
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
Yes
No
Yes
No
No
Yes
Yes
Yes
Yes
Yes
Yes
No
Yes
Yes
No
No
Yes
No
No
No
Yes
No
Yes
No
Yes
Yes
No
Yes
Yes
No
No
No
No
Yes
Yes
No
Yes
Yes
Yes
Yes
No
No
Yes
No
Yes
Yes
Yes
Yes
Yes
No
Yes
No
Yes
No
No
Yes
Yes
No
Yes
Yes
Yes
No
Yes
No
...

output:

? L 1 2
? L 3 4
? L 5 6
? L 7 8
? L 9 10
? L 11 12
? L 13 14
? L 15 16
? L 17 18
? L 19 20
? L 21 22
? L 23 24
? L 25 26
? L 27 28
? L 29 30
? L 31 32
? L 33 34
? L 35 36
? L 37 38
? L 39 40
? L 41 42
? L 43 44
? L 45 46
? L 47 48
? L 49 50
? L 51 52
? L 53 54
? L 55 56
? L 57 58
? L 59 60
? L 61 62...

result:

ok 

Test #83:

score: 0
Accepted
time: 1ms
memory: 3540kb

input:

209
Yes

output:

? L 1 2
! -1

result:

ok impossible!

Test #84:

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

input:

44
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
No
No
Yes
No
Yes
No
No
Yes
Yes
No
Yes
No

output:

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

result:

ok 

Test #85:

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

input:

876
Yes
Yes
Yes
No
No
No
Yes
No
Yes
No
No
No
No
No
No
Yes
No
No
Yes
Yes
Yes
Yes
No
No
Yes
No
Yes
No
No
Yes
Yes
No
Yes
No
No
Yes
No
Yes
No
Yes
No
No
No
Yes
No
No
Yes
Yes
No
No
No
Yes
No
No
Yes
Yes
No
Yes
No
Yes
No
Yes
No
Yes
Yes
Yes
Yes
Yes
No
Yes
No
Yes
No
No
Yes
Yes
Yes
No
Yes
Yes
Yes
No
Yes
No
No
...

output:

? L 1 2
? L 3 4
? L 5 6
? L 7 8
? L 9 10
? L 11 12
? L 13 14
? L 15 16
? L 17 18
? L 19 20
? L 21 22
? L 23 24
? L 25 26
? L 27 28
? L 29 30
? L 31 32
? L 33 34
? L 35 36
? L 37 38
? L 39 40
? L 41 42
? L 43 44
? L 45 46
? L 47 48
? L 49 50
? L 51 52
? L 53 54
? L 55 56
? L 57 58
? L 59 60
? L 61 62...

result:

ok 

Test #86:

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

input:

938
No
No
No
Yes
Yes
No
No
Yes
No
No
No
No
Yes
Yes
No
No
Yes
No
Yes
Yes
Yes
No
Yes
No
Yes
Yes
No
Yes
Yes
No
Yes
No
No
No
No
Yes
Yes
Yes
No
No
No
No
No
No
No
No
Yes
No
No
Yes
Yes
No
Yes
No
No
Yes
Yes
Yes
No
Yes
No
Yes
No
Yes
Yes
No
No
Yes
No
Yes
No
No
Yes
No
No
No
No
Yes
No
Yes
Yes
Yes

output:

? L 1 2
? L 3 4
? L 5 6
? L 7 8
? L 9 10
? L 11 12
? L 13 14
? L 15 16
? L 17 18
? L 19 20
? L 21 22
? L 23 24
? L 25 26
? L 27 28
? L 29 30
? L 31 32
? L 33 34
? L 35 36
? L 37 38
? L 39 40
? L 41 42
? L 43 44
? L 45 46
? L 47 48
? L 49 50
? L 51 52
? L 53 54
? L 55 56
? L 57 58
? L 59 60
? L 61 62...

result:

ok 

Test #87:

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

input:

551
No

output:

? L 1 2
! -1

result:

ok impossible!

Test #88:

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

input:

897
No

output:

? L 1 2
! -1

result:

ok impossible!

Test #89:

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

input:

572
Yes
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
No
No
No
No
No
Yes
Yes
Yes
Yes
No
Yes
Yes
No
Yes
Yes
No
No
No
Yes
No
No
Yes
No
Yes
No
No
No
No
Yes
Yes
No
Yes
Yes
Yes
No
No
Yes
No
No
No
No
Yes
Yes
Yes
No
No
Yes
Yes
Yes
Yes
No
No
No
No
No
Yes
Yes
No
Yes
No
No
Yes
No
Yes
Yes
Yes
No
No
No
Yes
Y...

output:

? L 1 2
? L 3 4
? L 5 6
? L 7 8
? L 9 10
? L 11 12
? L 13 14
? L 15 16
? L 17 18
? L 19 20
? L 21 22
? L 23 24
? L 25 26
? L 27 28
? L 29 30
? L 31 32
? L 33 34
? L 35 36
? L 37 38
? L 39 40
? L 41 42
? L 43 44
? L 45 46
? L 47 48
? L 49 50
? L 51 52
? L 53 54
? L 55 56
? L 57 58
? L 59 60
? L 61 62...

result:

ok 

Test #90:

score: 0
Accepted
time: 1ms
memory: 3592kb

input:

220
Yes
No
No
No
No
No
No
Yes
No
Yes
Yes
No
Yes
Yes
No
Yes
No
Yes
Yes
Yes
Yes
Yes
Yes
No
Yes
No
No
No
Yes
No
No
Yes
Yes
Yes
No
No
Yes
No
Yes
No
Yes
Yes
Yes
No
Yes
No
Yes
No
Yes
No
Yes
Yes
No
Yes
No
Yes
Yes
No
Yes
No
Yes
Yes
Yes
Yes
No
Yes
No
No
Yes
Yes
No
Yes
No
No
Yes
No
Yes
Yes
Yes
Yes
Yes
No
Yes
...

output:

? L 1 2
? L 3 4
? L 5 6
? L 7 8
? L 9 10
? L 11 12
? L 13 14
? L 15 16
? L 17 18
? L 19 20
? L 21 22
? L 23 24
? L 25 26
? L 27 28
? L 29 30
? L 31 32
? L 33 34
? L 35 36
? L 37 38
? L 39 40
? L 41 42
? L 43 44
? L 45 46
? L 47 48
? L 49 50
? L 51 52
? L 53 54
? L 55 56
? L 57 58
? L 59 60
? L 61 62...

result:

ok 

Test #91:

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

input:

52
Yes
No
No
No
Yes
No
Yes
No
No
No
Yes
No
Yes
No
Yes
No
Yes
No
No
Yes
Yes
No
Yes
Yes
No
No

output:

? L 1 2
? L 3 4
? L 5 6
? L 7 8
? L 9 10
? L 11 12
? L 13 14
? L 15 16
? L 17 18
? L 19 20
? L 21 22
? L 23 24
? L 25 26
? L 27 28
? L 29 30
? L 31 32
? L 33 34
? L 35 36
? L 37 38
? L 39 40
? L 41 42
? L 43 44
? L 45 46
? L 47 48
? L 49 50
? L 51 52
! 26

result:

ok 

Test #92:

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

input:

460
No
Yes
Yes
Yes
No
No
No
No
No
No
No
No
No
No
No
Yes
Yes
Yes
No
No
No
No
Yes
Yes
Yes
No
Yes
Yes
Yes
Yes
No
Yes
Yes
No
No
Yes
No
No
No
No
No
No
Yes
Yes
Yes
No
No
Yes
No
No
Yes
Yes
No
Yes
Yes
Yes
No
Yes
No
No
No
No
No
Yes
No
Yes
No
Yes
No
No
No
No
Yes
Yes
Yes
No
No
No
No
No
No
Yes
No
No
Yes
No
Yes
...

output:

? L 1 2
? L 3 4
? L 5 6
? L 7 8
? L 9 10
? L 11 12
? L 13 14
? L 15 16
? L 17 18
? L 19 20
? L 21 22
? L 23 24
? L 25 26
? L 27 28
? L 29 30
? L 31 32
? L 33 34
? L 35 36
? L 37 38
? L 39 40
? L 41 42
? L 43 44
? L 45 46
? L 47 48
? L 49 50
? L 51 52
? L 53 54
? L 55 56
? L 57 58
? L 59 60
? L 61 62...

result:

ok 

Test #93:

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

input:

952
Yes
Yes
Yes
Yes
No
Yes
No
No
No
No
No
No
Yes
No
No
No
No
Yes
Yes
Yes
No
Yes
No
No
Yes
Yes
No
No
No
Yes
No
Yes
Yes
No
Yes
No
No
Yes
No
Yes
No
No
Yes
No
No
No
No
No
Yes
No
No
Yes
No
Yes
No
Yes
Yes
Yes
Yes
Yes
No
Yes
Yes
No
Yes
Yes
No
No
No
Yes
No
Yes
Yes
Yes
No
Yes
Yes
Yes
No
Yes
No
Yes
No
Yes
No
...

output:

? L 1 2
? L 3 4
? L 5 6
? L 7 8
? L 9 10
? L 11 12
? L 13 14
? L 15 16
? L 17 18
? L 19 20
? L 21 22
? L 23 24
? L 25 26
? L 27 28
? L 29 30
? L 31 32
? L 33 34
? L 35 36
? L 37 38
? L 39 40
? L 41 42
? L 43 44
? L 45 46
? L 47 48
? L 49 50
? L 51 52
? L 53 54
? L 55 56
? L 57 58
? L 59 60
? L 61 62...

result:

ok 

Test #94:

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

input:

280
No
Yes
Yes
Yes
No
Yes
Yes
Yes
Yes
No
No
No
Yes
Yes
Yes
No
Yes
Yes
Yes
No
Yes
No
Yes
No
Yes
Yes
No
Yes
Yes
No
Yes
No
Yes
No
No
Yes
No
Yes
Yes
Yes
No
No
No
Yes
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
Yes
Yes
No
Yes
Yes
Yes
No
Yes
No
No
Yes
Yes
No
Yes
No
Yes
Yes
No
No
Yes
Yes
Yes
No
Yes
No
No
No
Yes...

output:

? L 1 2
? L 3 4
? L 5 6
? L 7 8
? L 9 10
? L 11 12
? L 13 14
? L 15 16
? L 17 18
? L 19 20
? L 21 22
? L 23 24
? L 25 26
? L 27 28
? L 29 30
? L 31 32
? L 33 34
? L 35 36
? L 37 38
? L 39 40
? L 41 42
? L 43 44
? L 45 46
? L 47 48
? L 49 50
? L 51 52
? L 53 54
? L 55 56
? L 57 58
? L 59 60
? L 61 62...

result:

ok 

Test #95:

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

input:

312
Yes
No
No
Yes
No
Yes
Yes
No
No
Yes
No
No
Yes
No
Yes
No
Yes
Yes
No
Yes
No
No
Yes
No
No
No
Yes
Yes
Yes
No
No
Yes
Yes
Yes
Yes
No
No
No
Yes
No
Yes
No
Yes
Yes
Yes
No
No
No
No
Yes
Yes
No
No
No
Yes
No
Yes
No
Yes
Yes
Yes
No
No
Yes
Yes
No
No
Yes
No
Yes
No
Yes
Yes
Yes
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
...

output:

? L 1 2
? L 3 4
? L 5 6
? L 7 8
? L 9 10
? L 11 12
? L 13 14
? L 15 16
? L 17 18
? L 19 20
? L 21 22
? L 23 24
? L 25 26
? L 27 28
? L 29 30
? L 31 32
? L 33 34
? L 35 36
? L 37 38
? L 39 40
? L 41 42
? L 43 44
? L 45 46
? L 47 48
? L 49 50
? L 51 52
? L 53 54
? L 55 56
? L 57 58
? L 59 60
? L 61 62...

result:

ok 

Test #96:

score: 0
Accepted
time: 1ms
memory: 3604kb

input:

805
No

output:

? L 1 2
! -1

result:

ok impossible!

Test #97:

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

input:

32
No
Yes
No
Yes
No
Yes
Yes
Yes
Yes
No
No
No
No
No
No
Yes

output:

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

result:

ok 

Test #98:

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

input:

545
Yes

output:

? L 1 2
! -1

result:

ok impossible!

Test #99:

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

input:

667
Yes

output:

? L 1 2
! -1

result:

ok impossible!

Test #100:

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

input:

443
No

output:

? L 1 2
! -1

result:

ok impossible!

Test #101:

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

input:

810
No
No
Yes
Yes
No
No
Yes
Yes
Yes
Yes
Yes
No
No
No
Yes
Yes
No
No
No
Yes
No
Yes
Yes
Yes
Yes
No
Yes
Yes
No
Yes
Yes
No
Yes
No
Yes
Yes
No
No
Yes
Yes
Yes
Yes
Yes
No
Yes
Yes
No
No
No
Yes
No
Yes
Yes
No
No
No
Yes
No
Yes
Yes
Yes
Yes
No
No
No
Yes
Yes
Yes
No
Yes
No
No
No
No
No
No
Yes
No
Yes
No
Yes
Yes
No
Yes...

output:

? L 1 2
? L 3 4
? L 5 6
? L 7 8
? L 9 10
? L 11 12
? L 13 14
? L 15 16
? L 17 18
? L 19 20
? L 21 22
? L 23 24
? L 25 26
? L 27 28
? L 29 30
? L 31 32
? L 33 34
? L 35 36
? L 37 38
? L 39 40
? L 41 42
? L 43 44
? L 45 46
? L 47 48
? L 49 50
? L 51 52
? L 53 54
? L 55 56
? L 57 58
? L 59 60
? L 61 62...

result:

ok 

Test #102:

score: 0
Accepted
time: 1ms
memory: 3592kb

input:

229
No

output:

? L 1 2
! -1

result:

ok impossible!

Test #103:

score: 0
Accepted
time: 1ms
memory: 3672kb

input:

400
No
No
Yes
No
Yes
No
Yes
No
No
Yes
No
Yes
Yes
Yes
No
No
Yes
No
Yes
Yes
No
No
Yes
Yes
Yes
No
No
No
No
No
No
No
Yes
Yes
Yes
No
No
No
Yes
No
Yes
No
No
Yes
Yes
Yes
Yes
Yes
No
Yes
Yes
No
No
No
No
No
No
Yes
Yes
No
No
No
Yes
Yes
Yes
Yes
Yes
No
No
No
No
Yes
No
No
No
Yes
Yes
No
No
No
Yes
Yes
No
Yes
Yes
Ye...

output:

? L 1 2
? L 3 4
? L 5 6
? L 7 8
? L 9 10
? L 11 12
? L 13 14
? L 15 16
? L 17 18
? L 19 20
? L 21 22
? L 23 24
? L 25 26
? L 27 28
? L 29 30
? L 31 32
? L 33 34
? L 35 36
? L 37 38
? L 39 40
? L 41 42
? L 43 44
? L 45 46
? L 47 48
? L 49 50
? L 51 52
? L 53 54
? L 55 56
? L 57 58
? L 59 60
? L 61 62...

result:

ok 

Test #104:

score: 0
Accepted
time: 1ms
memory: 3720kb

input:

672
No
No
No
Yes
No
Yes
No
No
No
Yes
No
Yes
No
Yes
No
No
No
Yes
Yes
Yes
No
No
Yes
Yes
Yes
Yes
No
Yes
Yes
No
No
Yes
No
Yes
Yes
No
No
Yes
No
Yes
No
No
Yes
Yes
Yes
No
No
Yes
Yes
Yes
Yes
No
Yes
Yes
No
Yes
No
Yes
No
Yes
Yes
No
No
Yes
Yes
Yes
Yes
Yes
No
No
No
Yes
No
Yes
Yes
Yes
Yes
Yes
No
No
No
Yes
No
Yes...

output:

? L 1 2
? L 3 4
? L 5 6
? L 7 8
? L 9 10
? L 11 12
? L 13 14
? L 15 16
? L 17 18
? L 19 20
? L 21 22
? L 23 24
? L 25 26
? L 27 28
? L 29 30
? L 31 32
? L 33 34
? L 35 36
? L 37 38
? L 39 40
? L 41 42
? L 43 44
? L 45 46
? L 47 48
? L 49 50
? L 51 52
? L 53 54
? L 55 56
? L 57 58
? L 59 60
? L 61 62...

result:

ok 

Test #105:

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

input:

664
No
Yes
No
Yes
Yes
No
No
No
Yes
No
No
Yes
No
Yes
No
No
Yes
Yes
Yes
No
No
Yes
Yes
Yes
Yes
Yes
No
Yes
Yes
Yes
No
No
Yes
No
Yes
No
Yes
No
No
No
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
No
No
Yes
Yes
Yes
No
No
Yes
No
No
Yes
No
Yes
No
Yes
No
No
Yes
No
No
No
Yes
No
Yes
Yes
No
Yes
Yes
Yes
No
Yes
Yes
Yes
No...

output:

? L 1 2
? L 3 4
? L 5 6
? L 7 8
? L 9 10
? L 11 12
? L 13 14
? L 15 16
? L 17 18
? L 19 20
? L 21 22
? L 23 24
? L 25 26
? L 27 28
? L 29 30
? L 31 32
? L 33 34
? L 35 36
? L 37 38
? L 39 40
? L 41 42
? L 43 44
? L 45 46
? L 47 48
? L 49 50
? L 51 52
? L 53 54
? L 55 56
? L 57 58
? L 59 60
? L 61 62...

result:

ok 

Test #106:

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

input:

17
No

output:

? L 1 2
! -1

result:

ok impossible!

Test #107:

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

input:

886
No
No
No
No
No
No
Yes
No
Yes
Yes
Yes
Yes
No
No
Yes
No
No
No
Yes
No
No
Yes
No
No
Yes
No
No
Yes
Yes
No
No
Yes
Yes
No
No
Yes
Yes
Yes
No
Yes
Yes
Yes
No
No
Yes
Yes
No
Yes
No
Yes
Yes
Yes
No
No
No
No
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
No
No
Yes
No
Yes
Yes
No
Yes
No
No
Yes
Yes
No
Yes

output:

? L 1 2
? L 3 4
? L 5 6
? L 7 8
? L 9 10
? L 11 12
? L 13 14
? L 15 16
? L 17 18
? L 19 20
? L 21 22
? L 23 24
? L 25 26
? L 27 28
? L 29 30
? L 31 32
? L 33 34
? L 35 36
? L 37 38
? L 39 40
? L 41 42
? L 43 44
? L 45 46
? L 47 48
? L 49 50
? L 51 52
? L 53 54
? L 55 56
? L 57 58
? L 59 60
? L 61 62...

result:

ok 

Test #108:

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

input:

758
Yes
No
Yes
No
Yes
No
Yes
Yes
No
No
Yes
No
Yes
No
No
Yes
No
No
No
No
Yes
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
Yes
No
Yes
Yes
Yes
No
Yes
No
No
Yes
No
No
No
Yes
Yes
No
Yes
No
No
Yes
No
Yes
No
Yes
No
No
Yes
No
Yes
Yes
Yes
No
No
No
Yes
No
No
No
No
Yes
No
Yes
No
Yes
No
No
No
Yes
Yes
No
No
Yes
Yes
...

output:

? L 1 2
? L 3 4
? L 5 6
? L 7 8
? L 9 10
? L 11 12
? L 13 14
? L 15 16
? L 17 18
? L 19 20
? L 21 22
? L 23 24
? L 25 26
? L 27 28
? L 29 30
? L 31 32
? L 33 34
? L 35 36
? L 37 38
? L 39 40
? L 41 42
? L 43 44
? L 45 46
? L 47 48
? L 49 50
? L 51 52
? L 53 54
? L 55 56
? L 57 58
? L 59 60
? L 61 62...

result:

ok 

Test #109:

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

input:

648
Yes
Yes
No
No
Yes
Yes
No
Yes
Yes
No
Yes
Yes
No
Yes
Yes
No
Yes
No
Yes
No
Yes
Yes
No
No
No
Yes
No
No
No
No
Yes
No
Yes
Yes
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
Yes
Yes
No
Yes
No
Yes
Yes
Yes
Yes
No
No
Yes
Yes
No
No
Yes
Yes
Yes
No
Yes
Yes
Yes
Yes
No
No
Yes
Yes
No
No
Yes
No
Yes
No
No
No
...

output:

? L 1 2
? L 3 4
? L 5 6
? L 7 8
? L 9 10
? L 11 12
? L 13 14
? L 15 16
? L 17 18
? L 19 20
? L 21 22
? L 23 24
? L 25 26
? L 27 28
? L 29 30
? L 31 32
? L 33 34
? L 35 36
? L 37 38
? L 39 40
? L 41 42
? L 43 44
? L 45 46
? L 47 48
? L 49 50
? L 51 52
? L 53 54
? L 55 56
? L 57 58
? L 59 60
? L 61 62...

result:

ok 

Test #110:

score: 0
Accepted
time: 1ms
memory: 3544kb

input:

413
Yes

output:

? L 1 2
! -1

result:

ok impossible!

Test #111:

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

input:

410
Yes
Yes
Yes
Yes
Yes
No
No
Yes
Yes
No
No
No
Yes
No
No
Yes
No
No
No
Yes
No
No
Yes
No
No
Yes
Yes
No
Yes
Yes
Yes
No
No
Yes
Yes
Yes
No
Yes
No
Yes
Yes
No
Yes
Yes
Yes
Yes
Yes
Yes
No
Yes
No
No
Yes
Yes
Yes
No
Yes
No
No
No
No
No
Yes
No
No
Yes
Yes
No
Yes
Yes
Yes
No
Yes
No
Yes
No
Yes
No
No
Yes
No
Yes
Yes
Ye...

output:

? L 1 2
? L 3 4
? L 5 6
? L 7 8
? L 9 10
? L 11 12
? L 13 14
? L 15 16
? L 17 18
? L 19 20
? L 21 22
? L 23 24
? L 25 26
? L 27 28
? L 29 30
? L 31 32
? L 33 34
? L 35 36
? L 37 38
? L 39 40
? L 41 42
? L 43 44
? L 45 46
? L 47 48
? L 49 50
? L 51 52
? L 53 54
? L 55 56
? L 57 58
? L 59 60
? L 61 62...

result:

ok 

Test #112:

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

input:

395
Yes

output:

? L 1 2
! -1

result:

ok impossible!

Test #113:

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

input:

650
No
Yes
Yes
No
Yes
Yes
No
Yes
No
No
Yes
No
Yes
Yes
Yes
No
No
No
No
Yes
No
No
No
Yes
Yes
No
No
Yes
No
Yes
No
Yes
No
Yes
No
No
Yes
No
Yes
No
No
Yes
Yes
No
Yes
Yes
No
Yes
Yes
No
No
Yes
Yes
Yes
Yes
No
Yes
No
No
No
Yes
Yes
No
No
No
Yes
No
No
Yes
Yes
No
Yes
No
No
Yes
Yes
No
No
No
Yes
Yes
Yes
No
Yes
Yes...

output:

? L 1 2
? L 3 4
? L 5 6
? L 7 8
? L 9 10
? L 11 12
? L 13 14
? L 15 16
? L 17 18
? L 19 20
? L 21 22
? L 23 24
? L 25 26
? L 27 28
? L 29 30
? L 31 32
? L 33 34
? L 35 36
? L 37 38
? L 39 40
? L 41 42
? L 43 44
? L 45 46
? L 47 48
? L 49 50
? L 51 52
? L 53 54
? L 55 56
? L 57 58
? L 59 60
? L 61 62...

result:

ok 

Test #114:

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

input:

211
No

output:

? L 1 2
! -1

result:

ok impossible!

Test #115:

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

input:

538
Yes
No
No
Yes
Yes
Yes
No
Yes
Yes
No
No
Yes
No
No
No
No
Yes
No
No
No
Yes
Yes
No
Yes
No
No
Yes
No
Yes
Yes
No
Yes
Yes
No
Yes
No
No
Yes
No
Yes
Yes
No
No
Yes
No
No
Yes
Yes
Yes
Yes
Yes
Yes
No
Yes
Yes
Yes
Yes
Yes
No
Yes
Yes
No
No
No
No
No
No
Yes
Yes
Yes
No
No
No
Yes
No
Yes
Yes
Yes
No
Yes
No
No
No
Yes
Y...

output:

? L 1 2
? L 3 4
? L 5 6
? L 7 8
? L 9 10
? L 11 12
? L 13 14
? L 15 16
? L 17 18
? L 19 20
? L 21 22
? L 23 24
? L 25 26
? L 27 28
? L 29 30
? L 31 32
? L 33 34
? L 35 36
? L 37 38
? L 39 40
? L 41 42
? L 43 44
? L 45 46
? L 47 48
? L 49 50
? L 51 52
? L 53 54
? L 55 56
? L 57 58
? L 59 60
? L 61 62...

result:

ok 

Test #116:

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

input:

323
Yes

output:

? L 1 2
! -1

result:

ok impossible!

Test #117:

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

input:

27
Yes

output:

? L 1 2
! -1

result:

ok impossible!

Test #118:

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

input:

485
No

output:

? L 1 2
! -1

result:

ok impossible!

Test #119:

score: 0
Accepted
time: 1ms
memory: 3596kb

input:

900
Yes
Yes
Yes
Yes
No
No
Yes
No
Yes
Yes
Yes
No
No
Yes
No
Yes
Yes
No
No
Yes
No
Yes
No
Yes
Yes
No
No
Yes
Yes
No
Yes
No
No
No
No
Yes
No
Yes
No
No
No
No
Yes
No
No
No
Yes
No
No
Yes
No
No
Yes
Yes
No
No
Yes
Yes
Yes
No
No
Yes
No
Yes
Yes
Yes
No
No
No
Yes
Yes
Yes
No
Yes
No
No
No
No
No
No
No
Yes
No
No
No
No
Y...

output:

? L 1 2
? L 3 4
? L 5 6
? L 7 8
? L 9 10
? L 11 12
? L 13 14
? L 15 16
? L 17 18
? L 19 20
? L 21 22
? L 23 24
? L 25 26
? L 27 28
? L 29 30
? L 31 32
? L 33 34
? L 35 36
? L 37 38
? L 39 40
? L 41 42
? L 43 44
? L 45 46
? L 47 48
? L 49 50
? L 51 52
? L 53 54
? L 55 56
? L 57 58
? L 59 60
? L 61 62...

result:

ok 

Test #120:

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

input:

440
No
No
Yes
Yes
No
Yes
Yes
No
Yes
No
No
Yes
Yes
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
Yes
Yes
Yes
Yes
No
No
No
No
No
Yes
Yes
No
Yes
No
Yes
Yes
Yes
No
No
No
Yes
Yes
Yes
No
No
No
No
No
Yes
Yes
No
No
Yes
No
Yes
Yes
Yes
No
Yes
No
Yes
Yes
No
Yes
Yes
No
No
No
No
Yes
No
Yes
No
No
Yes
Yes
Yes
Yes
No
...

output:

? L 1 2
? L 3 4
? L 5 6
? L 7 8
? L 9 10
? L 11 12
? L 13 14
? L 15 16
? L 17 18
? L 19 20
? L 21 22
? L 23 24
? L 25 26
? L 27 28
? L 29 30
? L 31 32
? L 33 34
? L 35 36
? L 37 38
? L 39 40
? L 41 42
? L 43 44
? L 45 46
? L 47 48
? L 49 50
? L 51 52
? L 53 54
? L 55 56
? L 57 58
? L 59 60
? L 61 62...

result:

ok 

Test #121:

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

input:

533
Yes

output:

? L 1 2
! -1

result:

ok impossible!

Test #122:

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

input:

619
No

output:

? L 1 2
! -1

result:

ok impossible!

Test #123:

score: 0
Accepted
time: 1ms
memory: 3720kb

input:

361
Yes

output:

? L 1 2
! -1

result:

ok impossible!

Test #124:

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

input:

14
Yes
Yes
No
Yes
No
No
No

output:

? L 1 2
? L 3 4
? L 5 6
? L 7 8
? L 9 10
? L 11 12
? L 13 14
! 7

result:

ok 

Test #125:

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

input:

64
Yes
No
No
Yes
Yes
Yes
Yes
Yes
No
No
Yes
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
Yes
No
Yes
Yes
Yes
No
Yes
Yes
No

output:

? L 1 2
? L 3 4
? L 5 6
? L 7 8
? L 9 10
? L 11 12
? L 13 14
? L 15 16
? L 17 18
? L 19 20
? L 21 22
? L 23 24
? L 25 26
? L 27 28
? L 29 30
? L 31 32
? L 33 34
? L 35 36
? L 37 38
? L 39 40
? L 41 42
? L 43 44
? L 45 46
? L 47 48
? L 49 50
? L 51 52
? L 53 54
? L 55 56
? L 57 58
? L 59 60
? L 61 62...

result:

ok 

Test #126:

score: 0
Accepted
time: 0ms
memory: 3596kb

input:

659
No

output:

? L 1 2
! -1

result:

ok impossible!

Test #127:

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

input:

839
No

output:

? L 1 2
! -1

result:

ok impossible!

Test #128:

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

input:

518
Yes
Yes
Yes
No
No
Yes
No
No
Yes
Yes
Yes
No
Yes
Yes
Yes
Yes
No
No
No
Yes
No
No
No
Yes
No
Yes
No
No
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
Yes
No
No
No
Yes
No
Yes
Yes
Yes
Yes
Yes
Yes
No
Yes
No
No
Yes
No
No
Yes
Yes
Yes
Yes
No
Yes
No
Yes
Yes
Yes
Yes
No
No
Yes
No
No
Yes
Yes
No
No
Yes
Yes
No
No
Yes
Ye...

output:

? L 1 2
? L 3 4
? L 5 6
? L 7 8
? L 9 10
? L 11 12
? L 13 14
? L 15 16
? L 17 18
? L 19 20
? L 21 22
? L 23 24
? L 25 26
? L 27 28
? L 29 30
? L 31 32
? L 33 34
? L 35 36
? L 37 38
? L 39 40
? L 41 42
? L 43 44
? L 45 46
? L 47 48
? L 49 50
? L 51 52
? L 53 54
? L 55 56
? L 57 58
? L 59 60
? L 61 62...

result:

ok 

Test #129:

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

input:

238
No
Yes
No
Yes
Yes
Yes
Yes
No
Yes
No
No
No
No
No
Yes
Yes
No
Yes
No
No
No
Yes
No
Yes
No
No
No
No
Yes
Yes
No
Yes
No
No
Yes
No
No
Yes
No
No
Yes
No
No
No
No
Yes
No
Yes
Yes
No
No
Yes
Yes
Yes
No
Yes
No
Yes
Yes
Yes
No
Yes
Yes
Yes
No
No
Yes
Yes
Yes
Yes
No
Yes
Yes
Yes
Yes
No
Yes

output:

? L 1 2
? L 3 4
? L 5 6
? L 7 8
? L 9 10
? L 11 12
? L 13 14
? L 15 16
? L 17 18
? L 19 20
? L 21 22
? L 23 24
? L 25 26
? L 27 28
? L 29 30
? L 31 32
? L 33 34
? L 35 36
? L 37 38
? L 39 40
? L 41 42
? L 43 44
? L 45 46
? L 47 48
? L 49 50
? L 51 52
? L 53 54
? L 55 56
? L 57 58
? L 59 60
? L 61 62...

result:

ok 

Test #130:

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

input:

782
Yes
Yes
Yes
Yes
No
Yes
Yes
No
No
No
No
Yes
No
No
Yes
No
Yes
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
Yes
Yes
Yes
Yes
No
No
Yes
No
Yes
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
Yes
Yes
Yes
Yes
No
Yes
Yes
No
No
No
No
Yes
No
No
No
Yes
No
Yes
No
No
No
No
Yes
No
Yes
No
No
Yes
Yes
No
No
...

output:

? L 1 2
? L 3 4
? L 5 6
? L 7 8
? L 9 10
? L 11 12
? L 13 14
? L 15 16
? L 17 18
? L 19 20
? L 21 22
? L 23 24
? L 25 26
? L 27 28
? L 29 30
? L 31 32
? L 33 34
? L 35 36
? L 37 38
? L 39 40
? L 41 42
? L 43 44
? L 45 46
? L 47 48
? L 49 50
? L 51 52
? L 53 54
? L 55 56
? L 57 58
? L 59 60
? L 61 62...

result:

ok 

Test #131:

score: 0
Accepted
time: 1ms
memory: 3676kb

input:

831
Yes

output:

? L 1 2
! -1

result:

ok impossible!

Test #132:

score: 0
Accepted
time: 1ms
memory: 3720kb

input:

855
Yes

output:

? L 1 2
! -1

result:

ok impossible!

Test #133:

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

input:

958
No
Yes
Yes
No
No
Yes
No
No
Yes
Yes
Yes
Yes
Yes
No
No
Yes
Yes
No
Yes
No
No
No
No
Yes
No
No
Yes
Yes
Yes
No
Yes
No
Yes
Yes
Yes
Yes
Yes
No
Yes
Yes
Yes
No
Yes
Yes
Yes
Yes
No
Yes
Yes
Yes
No
Yes
Yes
Yes
Yes
No
Yes
Yes
Yes
No
Yes
No
No
Yes
No
No
Yes
Yes
Yes
No
Yes
Yes
No
No
No
No
Yes

output:

? L 1 2
? L 3 4
? L 5 6
? L 7 8
? L 9 10
? L 11 12
? L 13 14
? L 15 16
? L 17 18
? L 19 20
? L 21 22
? L 23 24
? L 25 26
? L 27 28
? L 29 30
? L 31 32
? L 33 34
? L 35 36
? L 37 38
? L 39 40
? L 41 42
? L 43 44
? L 45 46
? L 47 48
? L 49 50
? L 51 52
? L 53 54
? L 55 56
? L 57 58
? L 59 60
? L 61 62...

result:

ok 

Test #134:

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

input:

35
Yes

output:

? L 1 2
! -1

result:

ok impossible!

Test #135:

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

input:

878
No
Yes
No
Yes
Yes
Yes
Yes
No
Yes
No
Yes
No
No
No
Yes
No
No
No
Yes
Yes
No
No
Yes
Yes
No
Yes
No
Yes
No
No
No
No
No
Yes
No
No
No
No
Yes
Yes
Yes
No
No
Yes
Yes
Yes
Yes
No
No
Yes
No
Yes
No
Yes
Yes
Yes
Yes
Yes
No
No
No
Yes
Yes
No
No
Yes
Yes
Yes
Yes
Yes
Yes
No
Yes
No
No
No
Yes
Yes
No
No
No
Yes
No
Yes
Ye...

output:

? L 1 2
? L 3 4
? L 5 6
? L 7 8
? L 9 10
? L 11 12
? L 13 14
? L 15 16
? L 17 18
? L 19 20
? L 21 22
? L 23 24
? L 25 26
? L 27 28
? L 29 30
? L 31 32
? L 33 34
? L 35 36
? L 37 38
? L 39 40
? L 41 42
? L 43 44
? L 45 46
? L 47 48
? L 49 50
? L 51 52
? L 53 54
? L 55 56
? L 57 58
? L 59 60
? L 61 62...

result:

ok 

Test #136:

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

input:

534
No
Yes
Yes
No
Yes
No
No
Yes
No
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
Yes
No
No
Yes
Yes
Yes
No
No
Yes
Yes
No
No
No
Yes
No
Yes
Yes
No
Yes
Yes
Yes
No
No
No
Yes
Yes
Yes
No
No
No
No
No
Yes
Yes
No
No
Yes
No
No
No
No
Yes
Yes
No
No
Yes
No
Yes
Yes
Yes
No
Yes
No
Yes
Yes
No
Yes
Yes
No
Yes
No
No
No
No
Yes
Yes
Ye...

output:

? L 1 2
? L 3 4
? L 5 6
? L 7 8
? L 9 10
? L 11 12
? L 13 14
? L 15 16
? L 17 18
? L 19 20
? L 21 22
? L 23 24
? L 25 26
? L 27 28
? L 29 30
? L 31 32
? L 33 34
? L 35 36
? L 37 38
? L 39 40
? L 41 42
? L 43 44
? L 45 46
? L 47 48
? L 49 50
? L 51 52
? L 53 54
? L 55 56
? L 57 58
? L 59 60
? L 61 62...

result:

ok 

Test #137:

score: 0
Accepted
time: 1ms
memory: 3720kb

input:

475
Yes

output:

? L 1 2
! -1

result:

ok impossible!

Test #138:

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

input:

922
No
No
No
Yes
Yes
Yes
Yes
No
Yes
No
Yes
Yes
No
No
No
Yes
No
Yes
Yes
Yes
No
Yes
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
Yes
Yes
No
Yes
Yes
No
Yes
No
Yes
Yes
Yes
Yes
No
Yes
Yes
Yes
No
No
Yes
No
No
No
No
No
No
Yes
Yes
No
Yes
Yes
No
Yes
Yes
No
Yes
Yes
Yes
Yes
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
N...

output:

? L 1 2
? L 3 4
? L 5 6
? L 7 8
? L 9 10
? L 11 12
? L 13 14
? L 15 16
? L 17 18
? L 19 20
? L 21 22
? L 23 24
? L 25 26
? L 27 28
? L 29 30
? L 31 32
? L 33 34
? L 35 36
? L 37 38
? L 39 40
? L 41 42
? L 43 44
? L 45 46
? L 47 48
? L 49 50
? L 51 52
? L 53 54
? L 55 56
? L 57 58
? L 59 60
? L 61 62...

result:

ok 

Test #139:

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

input:

644
Yes
No
Yes
Yes
No
Yes
No
Yes
No
No
No
Yes
Yes
No
No
Yes
Yes
Yes
Yes
Yes
No
Yes
No
No
Yes
Yes
No
Yes
Yes
Yes
No
No
Yes
Yes
No
No
No
Yes
No
Yes
Yes
Yes
No
Yes
No
No
Yes
No
Yes
No
No
No
No
No
Yes
No
No
No
Yes
Yes
Yes
Yes
No
Yes
Yes
No
No
No
No
Yes
Yes
Yes
No
Yes
Yes
No
No
No
No
No
No
No
No
No
No
No...

output:

? L 1 2
? L 3 4
? L 5 6
? L 7 8
? L 9 10
? L 11 12
? L 13 14
? L 15 16
? L 17 18
? L 19 20
? L 21 22
? L 23 24
? L 25 26
? L 27 28
? L 29 30
? L 31 32
? L 33 34
? L 35 36
? L 37 38
? L 39 40
? L 41 42
? L 43 44
? L 45 46
? L 47 48
? L 49 50
? L 51 52
? L 53 54
? L 55 56
? L 57 58
? L 59 60
? L 61 62...

result:

ok 

Test #140:

score: 0
Accepted
time: 1ms
memory: 3596kb

input:

687
Yes

output:

? L 1 2
! -1

result:

ok impossible!

Test #141:

score: 0
Accepted
time: 1ms
memory: 3580kb

input:

655
No

output:

? L 1 2
! -1

result:

ok impossible!

Test #142:

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

input:

872
Yes
No
No
Yes
Yes
Yes
Yes
No
No
No
Yes
No
Yes
No
Yes
Yes
Yes
No
No
No
No
Yes
Yes
No
No
No
Yes
No
Yes
No
Yes
Yes
Yes
No
No
Yes
Yes
No
No
Yes
No
Yes
No
Yes
Yes
Yes
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
No
Yes
Yes
No
Yes
Yes
Yes
Yes
No
Yes
No
No
Yes
No
No
Yes
No
Yes
No
No
No
Yes
No
Yes
Y...

output:

? L 1 2
? L 3 4
? L 5 6
? L 7 8
? L 9 10
? L 11 12
? L 13 14
? L 15 16
? L 17 18
? L 19 20
? L 21 22
? L 23 24
? L 25 26
? L 27 28
? L 29 30
? L 31 32
? L 33 34
? L 35 36
? L 37 38
? L 39 40
? L 41 42
? L 43 44
? L 45 46
? L 47 48
? L 49 50
? L 51 52
? L 53 54
? L 55 56
? L 57 58
? L 59 60
? L 61 62...

result:

ok 

Test #143:

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

input:

859
No

output:

? L 1 2
! -1

result:

ok impossible!

Test #144:

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

input:

811
No

output:

? L 1 2
! -1

result:

ok impossible!

Test #145:

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

input:

83
No

output:

? L 1 2
! -1

result:

ok impossible!

Test #146:

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

input:

55
Yes

output:

? L 1 2
! -1

result:

ok impossible!

Test #147:

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

input:

477
No

output:

? L 1 2
! -1

result:

ok impossible!

Test #148:

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

input:

392
No
Yes
Yes
No
Yes
No
Yes
Yes
Yes
Yes
No
Yes
Yes
Yes
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
Yes
No
Yes
No
Yes
No
Yes
Yes
No
Yes
Yes
No
Yes
Yes
No
Yes
No
No
Yes
Yes
Yes
No
No
Yes
No
Yes
No
No
Yes
No
No
Yes
Yes
Yes
No
No
Yes
No
Yes
Yes
No
Yes
No
No
Yes
No
No
Yes
No
No
No
No
Yes
Yes
Yes
Yes
No
N...

output:

? L 1 2
? L 3 4
? L 5 6
? L 7 8
? L 9 10
? L 11 12
? L 13 14
? L 15 16
? L 17 18
? L 19 20
? L 21 22
? L 23 24
? L 25 26
? L 27 28
? L 29 30
? L 31 32
? L 33 34
? L 35 36
? L 37 38
? L 39 40
? L 41 42
? L 43 44
? L 45 46
? L 47 48
? L 49 50
? L 51 52
? L 53 54
? L 55 56
? L 57 58
? L 59 60
? L 61 62...

result:

ok 

Test #149:

score: 0
Accepted
time: 1ms
memory: 3720kb

input:

596
Yes
Yes
No
Yes
Yes
Yes
Yes
Yes
No
No
Yes
Yes
No
No
No
Yes
No
No
No
Yes
No
No
No
No
Yes
Yes
No
Yes
Yes
No
Yes
Yes
Yes
No
Yes
Yes
Yes
No
Yes
Yes
No
No
No
No
Yes
No
Yes
Yes
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
No
Yes
No
No
Yes
No
Yes
No
Yes
Yes
No
No
No
Yes
No
Yes
No
No
No
Yes
Yes
Yes
No
No
No
Yes
No...

output:

? L 1 2
? L 3 4
? L 5 6
? L 7 8
? L 9 10
? L 11 12
? L 13 14
? L 15 16
? L 17 18
? L 19 20
? L 21 22
? L 23 24
? L 25 26
? L 27 28
? L 29 30
? L 31 32
? L 33 34
? L 35 36
? L 37 38
? L 39 40
? L 41 42
? L 43 44
? L 45 46
? L 47 48
? L 49 50
? L 51 52
? L 53 54
? L 55 56
? L 57 58
? L 59 60
? L 61 62...

result:

ok 

Test #150:

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

input:

403
No

output:

? L 1 2
! -1

result:

ok impossible!

Test #151:

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

input:

454
No
No
Yes
No
Yes
Yes
No
No
No
No
No
Yes
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
No
No
No
Yes
No
Yes
Yes
Yes
No
No
Yes
Yes
Yes
Yes
No
No
No
No
No
No
Yes
No
Yes
Yes
No
Yes
No
No
No
Yes
Yes
Yes
No
No
No
No
No
No
No
No
Yes
No
No
No
Yes
No
Yes
No
No
No
Yes
No
No
No
No
Yes
No
No
Yes
Yes
Yes
Yes
Yes
Yes
No
...

output:

? L 1 2
? L 3 4
? L 5 6
? L 7 8
? L 9 10
? L 11 12
? L 13 14
? L 15 16
? L 17 18
? L 19 20
? L 21 22
? L 23 24
? L 25 26
? L 27 28
? L 29 30
? L 31 32
? L 33 34
? L 35 36
? L 37 38
? L 39 40
? L 41 42
? L 43 44
? L 45 46
? L 47 48
? L 49 50
? L 51 52
? L 53 54
? L 55 56
? L 57 58
? L 59 60
? L 61 62...

result:

ok 

Test #152:

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

input:

707
Yes

output:

? L 1 2
! -1

result:

ok impossible!

Test #153:

score: 0
Accepted
time: 1ms
memory: 3628kb

input:

638
Yes
Yes
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
Yes
Yes
No
No
Yes
Yes
No
No
Yes
Yes
Yes
Yes
No
Yes
Yes
No
No
Yes
No
Yes
No
Yes
Yes
No
No
Yes
Yes
No
No
No
No
Yes
No
Yes
No
No
Yes
No
No
No
No
No
No
Yes
No
Yes
No
No
Yes
No
Yes
Yes
No
No
No
Yes
Yes
Yes
Yes
No
Yes
No
No
Yes
Yes
No
No
Yes
Yes...

output:

? L 1 2
? L 3 4
? L 5 6
? L 7 8
? L 9 10
? L 11 12
? L 13 14
? L 15 16
? L 17 18
? L 19 20
? L 21 22
? L 23 24
? L 25 26
? L 27 28
? L 29 30
? L 31 32
? L 33 34
? L 35 36
? L 37 38
? L 39 40
? L 41 42
? L 43 44
? L 45 46
? L 47 48
? L 49 50
? L 51 52
? L 53 54
? L 55 56
? L 57 58
? L 59 60
? L 61 62...

result:

ok