题目描述

小青遇到了这样一个问题：Calculate a + b

输入格式

The input will consist of a series of pairs of integers a and b,separated by a space, one pair of integers per line.

输出格式

For each pair of input integers a and b you should output the sum of a and b in one line,and with one line of output for each line in input. 1 5

样例

样例 1

输入 # 1

1 5

输出 # 1

6