[백준] 4101번 크냐? 문제1 (bronze 5

import java.util.Scanner;
public class Main {
	
	public static void main(String[] args)   {
		Scanner input=new Scanner(System.in);
		while(true) {
			int a=input.nextInt();
			int b=input.nextInt();
			if(a+b==0) {
				break;
			}
			if(a>b) {
				System.out.println("Yes");
			}
			else {
				System.out.println("No");
			}
		}
		
		
	}
}