A + B Problem

描述
Calculate A + B.
输入
Each line will contain two integers A and B. Process to end of file.
输出
For each case, output A + B in one line.
样例
样例输入 #1
1 1
样例输出 #1
2
HDOJ-1000
题目来源:HDOJ-1000
时间限制:1000 MS
内存限制:32768 KB
Java 类名:Main
64 位整数占位符:%I64d