A+B Problem

Problem Description

Calculate A + B.

 

Input

Each line will contain two integers A and B. Process to end of file.

 

Output

For each case, output A + B in one line.

 

Code

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

Attention

键盘输入CTRL+Z就是输入文件结束符。