5717

#include <stdio.h>

int main(void){
    while(1){
        int a = -1, b = -1;
        scanf("%d %d", &a, &b);

        if((a == 0) && (b == 0)){
            break;
        }

        printf("%d\n", a+b);
    }
    return 0;
}

 

+ Recent posts