[Hardcore]

Zero position.

In the given matrix find the position of the zero.

Input
First line N and M (1<=N,M<=100).
Then NxM table is given(all number are integers)

Output
First number have to be the row number,and then column number of zero's element.

Sample input:
3 4
1 1 2 3
4 5 0 1
2 3 4 5

Sample output:
2 3