A+B for Input-Output Practice (III) ACM

题目描述

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.

示例输入

1 5
10 20
0 0

示例输出

6
30

 

#include <stdio.h>
int main()
{  
    int a,b; 
    while(scanf("%d %d",&a, &b), a||b)
    printf("%d\n",a+b); 
    return 0; 
}