[10952/JAVA] A+B - 5

import java.util.Scanner;
public class Main {
public static void main(String args[]) {
Scanner sc = new Scanner(System.in);
int a;
int b;
	while (true){
	   a = sc.nextInt();
	   b= sc.nextInt();
	        if ( a == 0 && b == 0){
	            break;
	        }
	    	System.out.println(a+b);
	}
	sc.close();
	}
	}