#include<stdio.h>
int main(){
    int a,b,c;
    while(scanf("%d %d",&a,&b) != -1){
        c = a+b;
        printf("%d\n",c);
    }
}
/**************************************************************
	Problem: 1001
	User: long
	Language: C++
	Result: Accepted
	Time:8 ms
	Memory:1144 kb
****************************************************************/