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

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