LogiQuest

461. Richest Customer Wealth

EasyMatrix

Row i lists customer i's money in each bank. Print the largest row total.

Input format

Line 1: m n Next m lines: n integers

Output format

The maximum wealth.

Example 1

Input

2 3
1 2 3
3 2 1

Output

6

Example 2

Input

3 2
1 5
7 3
3 5

Output

10

Constraints

1 ≤ m, n ≤ 50

Read input from standard input and print the answer to standard output. Your code is judged against 3 test cases, most of them hidden.

Loading the MyLoginn IDE…