#include <stdio.h>
/*
Problem Description
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
2 3
Sample Output
6
5
*/
/*
Problem Description
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
2 3
Sample Output
6
5
*/
int main()
{
int a,b;
while(scanf("%d%d",&a,&b)!=EOF)
printf("%d\n",a+b);
return 0;
}