View Code of Problem 111

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