1001

A + B Problem

---

Time Limit: 2 Seconds      Memory Limit: 65536 KB

---

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 in one line,and with one line of output for each line in input.

Sample Input

1 5

Sample Output

6

#include<stdio.h>
int main()
{
    int a,b;
    while(scanf("%d%d",&a,&b)==2)
    {
        printf("%d\n",a+b);
    }
    return 0;
}