A+B for Input-Output Practice (III)

描述

Your task is to Calculate a + b.

输入

Input contains multiple test cases. Each test case contains a pair of integers a and b, one pair of integers per line. A test case containing 0 0 terminates the input and this test case is not to be processed.

输出

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.

样例

样例输入 #1

1 5
10 20
0 0

样例输出 #1

6
30
HDOJ-1091
题目来源:HDOJ-1091
时间限制:1000 MS
内存限制:32768 KB
Java 类名:Main
64 位整数占位符:%I64d