백준 4101

#include <iostream>
#include <string>
#include <vector>
using namespace std;


int main(void)
{
	ios::sync_with_stdio(false);
	cin.tie(NULL);
	cout.tie(NULL);

	int nums;
	int nums2;

	while (1)
	{
		cin >> nums >> nums2;
		if (nums == 0 && nums2 == 0)
		{
			
			break;


		}
		if (nums > nums2)
		{
			cout << "Yes" << '\n';
		}
		else
		{
			cout << "No" << '\n';
		}
	}

	return 0;
}