input:

11140
10 15
9 6
5 7
6 5
2 3
7 5
7 5
3 10
9 7
5 5
9 1
7 5
2 8
7 5
4 3
6 2
9 19
3 7
3 9
2 8
2 8
3 6
5 1
1 8
8 9
8 3
4 8
5 5
3 1
4 3
1 3
8 6
1 3
7 4
4 3
8 8
12 20
10 2
5 5
2 4
3 3
3 3
5 11
9 2
5 5
7 12
11 3
3 3
3 5
5 3
3 1
4 6
7 11
6 8
4 5
6 12
6 5
8 18
4 2
4 3
2 4
2 4
4 3
4 8
2 2
6 7
2 4
6 2
1 4
8 7
4...

output:

Yes
3 10
9 7
7 5
6 5
2 8
2 3
4 3
9 1
6 2
Yes
4 3
1 8
8 9
1 3
8 6
7 4
2 8
5 1
Yes
9 2
5 3
11 3
6 8
4 6
3 1
7 12
7 11
2 4
4 5
10 2
Yes
8 7
3 5
2 7
4 2
4 3
1 4
6 2
Yes
6 5
1 2
5 7
4 3
1 5
5 9
8 7
2 3
Yes
2 6
1 9
2 5
3 2
4 1
4 6
8 10
1 7
10 2
Yes
2 3
3 4
5 7
4 6
7 3
7 1
Yes
8 11
2 6
7 12
8 2
10 7
9 10
3...

result:

wrong answer case 7755, participant does not find a solution but the jury does