A+B again

题目描述

Your job is very easy  !!!
Just Calculate A + B.

输入说明

Each line will contain two integers A and B. Process to end of file.And both A and B you can use "long long"to store them

输出说明

For each case, output A + B in one line.

样例

输入

1 1
10 10
11111111111 11111111111

输出

2
20
22222222222

提示

Bazinga !!!