新手入门--输出格式七

新手入门

输入格式七：

A+B for Input-Output Practice (VII)

Problem Description

Your task is to Calculate a + b.

Input

The input will consist of a series of pairs of integers a and b, separated by a space, one pair of integers per line.

Output

For each pair of input integers a and b you should output the sum of a and b, and followed by a blank line.

Sample Input

1 510 20

 

Sample Output

630
 

注意：输出一组结果，输出一个空行，最后有一个空行的！

代码：

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