A+B for Input-Output Practice (III) (sdut oj)

A+B for Input-Output Practice (III)

Time Limit: 1000MS Memory Limit: 65536KB

Problem Description

Your task is to Calculate a + b.

Input

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.

Output

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.

Example Input

1 510 200 0

Example Output

630

Hint

 

Author

HDOJ sdut

参考代码

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