input:

5
0 0 0 1 1 

output:

result:

wrong output format Unexpected end of file - int32 expected

input:

5
716816476 646500411 807499637 544792531 128057616 

output:

3 5
1 4
1 2

result:

wrong output format Unexpected end of file - int32 expected

input:

7
0 0 1 0 0 0 0 

output:

result:

wrong output format Unexpected end of file - int32 expected

input:

7
685386610 762888212 32009424 450956771 498508039 313999604 331164353 

output:

1 3
5 6
4 7
1 3
6 7

result:

wrong output format Unexpected end of file - int32 expected

input:

10
1 1 0 0 0 0 0 1 1 1 

output:

result:

wrong output format Unexpected end of file - int32 expected

input:

10
552474873 603523889 451688250 856980678 746716186 316583031 509750159 895158422 895128023 2769912...

output:

9 10
8 10
4 7
5 6
1 4
1 2
5 6
8 10

result:

wrong output format Unexpected end of file - int32 expected

input:

3000
774135042 955379290 425485912 951649655 435211761 517813461 22865164 126834432 859390051 751505...

output:

1 8
13 16
19 20
19 21
34 35
34 36
31 36
25 34
37 40
43 44
43 45
37 45
29 39
5 28
48 49
48 50
54 55
5...

result:

wrong output format Unexpected end of file - int32 expected

input:

4000
0 1 0 0 1 0 0 0 0 0 0 0 1 0 1 1 0 0 1 0 0 0 1 0 0 1 1 0 1 0 0 0 1 1 0 0 0 0 0 1 1 0 1 1 0 0 1 1...

output:

2 4
7 8
2 8
9 10
11 12
12 14
9 11
19 20
19 20
23 24
23 24
19 22
27 28
31 32
26 31
25 30
9 29
34 36
3...

result:

wrong output format Unexpected end of file - int32 expected

input:

4000
253876655 192406499 33773493 714588720 62247300 512617285 830025704 158991275 146203174 6211898...

output:

7 8
7 8
4 6
11 12
15 16
13 16
4 16
17 18
19 20
23 24
21 24
31 32
28 32
25 32
17 30
34 35
38 40
34 40...

result:

wrong output format Unexpected end of file - int32 expected

input:

5000
0 1 0 0 0 0 0 1 1 0 0 0 0 1 0 0 0 1 1 1 1 0 1 1 0 1 1 1 0 0 1 1 0 0 1 0 0 0 1 1 0 1 1 1 1 0 1 1...

output:

2 3
2 5
9 10
8 10
6 7
11 12
14 15
14 15
16 17
11 18
21 22
21 23
24 25
27 30
24 26
31 33
34 38
31 38
...

result:

wrong output format Unexpected end of file - int32 expected

input:

5000
576963277 817862335 430151834 505200145 307373684 896252967 779450344 424741325 188693368 71249...

output:

2 3
2 5
7 8
7 9
2 6
14 15
14 15
19 20
18 20
16 17
11 20
24 25
29 30
26 29
32 33
32 35
37 38
37 40
32...

result:

wrong output format Unexpected end of file - int32 expected

input:

5000
296887 701139 1259018 1624742 1747738 2354948 2616510 2777173 3193517 3454408 3801911 4078104 4...

output:

4 5
9 10
6 10
14 15
19 20
16 20
11 20
24 25
29 30
26 30
34 35
39 40
36 40
31 40
21 40
44 45
49 50
46...

result:

wrong output format Unexpected end of file - int32 expected

input:

10000
1 1 0 1 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 1 1 1 0 1 0 1 1 0 1 1 0 1 0 0 0 1 0 1 1 ...

output:

4647 4649
4650 4651
4642 4649
4657 4659
4653 4659
4642 4652
4668 4669
4668 4670
4662 4670
4673 4676
...

result:

wrong output format Unexpected end of file - int32 expected

input:

20000
0 1 1 0 1 1 1 1 0 1 1 1 0 1 1 1 0 1 0 1 0 1 1 1 0 0 0 0 0 1 0 1 1 1 1 0 0 0 0 1 1 1 0 1 1 0 0 ...

output:

2 4
6 9
2 8
11 13
16 17
16 18
14 18
2 17
24 25
22 25
26 27
25 29
32 39
25 37
2 24
41 43
44 48
51 53
...

result:

wrong output format Unexpected end of file - int32 expected

input:

30000
1 0 0 1 0 1 1 0 0 1 1 0 1 0 0 0 0 0 1 0 0 1 1 1 0 0 1 1 0 1 1 0 1 1 0 1 0 1 1 0 1 0 1 0 1 1 1 ...

output:

10012 10014
10008 10014
10022 10025
10018 10024
10008 10017
10040 10041
10037 10042
10027 10039
1002...

result:

wrong output format Unexpected end of file - int32 expected

input:

40000
0 1 0 0 0 1 0 1 1 1 0 0 0 0 1 0 0 1 1 1 0 0 0 1 0 1 1 1 1 0 1 1 0 0 0 1 0 1 1 0 0 0 1 0 0 1 1 ...

output:

2 3
2 5
2 7
15 17
8 14
24 25
29 30
24 26
32 33
32 35
39 40
38 40
32 37
27 40
14 30
41 42
41 43
44 45...

result:

wrong output format Unexpected end of file - int32 expected

input:

50000
0 1 0 1 0 1 1 1 0 0 1 1 0 1 1 1 1 0 1 1 1 0 1 1 1 1 1 1 0 1 0 0 1 1 0 1 1 0 0 1 1 0 1 0 0 1 0 ...

output:

16790 16791
16803 16805
16800 16805
16793 16799
16807 16808
16807 16810
16813 16814
16817 16818
1681...

result:

wrong output format Unexpected end of file - int32 expected

input:

30000
23333 23333 23333 23333 23333 23333 23333 23333 23333 23333 23333 23333 23333 23333 23333 2333...

output:

3 4
7 8
5 8
11 12
13 15
9 15
18 19
22 23
20 23
26 27
28 30
24 30
16 30
33 34
37 38
35 38
41 42
43 45...

result:

wrong output format Unexpected end of file - int32 expected

input:

40000
45713484 162270600 502896796 450460958 129500884 513441781 557737624 340152311 679444775 35445...

output:

4 5
7 8
7 9
3 6
11 12
11 13
17 18
17 20
14 20
3 18
21 22
27 28
27 29
24 26
36 37
31 38
30 34
8 29
46...

result:

wrong output format Unexpected end of file - int32 expected

input:

50000
455891075 705915927 189674482 578895411 789714247 658466934 483470291 469989305 544838975 2828...

output:

1 3
8 10
11 12
11 13
8 13
1 13
14 15
14 16
17 18
17 19
17 19
21 22
21 25
17 25
1 21
26 28
29 31
29 3...

result:

wrong output format Unexpected end of file - int32 expected