12642: Find the rows with most 1's

Memory Limit:128 MB Time Limit:1.000 S
Judge Style:Text Compare Creator:
Submit:2 Solved:0

Description

Given a 2D matrix, which contains only 0's and 1's, find the first row with most 1's.

Input

多组测试。每一组第一行是行数M和列数N. It follows M lines, each having N numbers (only 0's and 1's). There is a space between every 2 numbers.


Output

每组输出结果占一行


Sample Input Copy

2 3

1 0 1

0 0 1

3 4

1 0 0 0

1 1 0 0

0 0 0 0

0 0 0 1

Sample Output Copy

0
1

HINT

What if the matrix contains only 0's?


Write the optimal solution.