input:

5 4
1000 100 10 1
3 4 2 2 3
4 8 3 1 2 4
6 7 2 3 4
8 9 2 1 4
2 6 3 1 2 3

output:

1
0 0

result:

wrong answer 1st numbers differ - expected: '8766', found: '1'