HDU 1.1.7 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

 

#include <stdio.h>int main(void){int a, b, i = 0;while(i < 5){        scanf("%d%d", &a, &b);        printf("%d\n\n", a + b);i ++;}return 0;}