#include<stdio.h>
#include <vector>
#include <list>
#include <map>
#include <set>
#include <queue>
#include <stack>
#include <algorithm>
#include <sstream>
#include <iostream>
#include <string>
#include <stdio.h>

using namespace std;

int main() {

	double p, q;
	cin >> p >> q;
	/*
	cout << "1 " << ((1 - p)*q)<<endl;
	cout << "2 " << p*(1-q)*q << endl;
	*/
	if (((1 - p)*q) < p*(1 - q)*q) cout << "YES" << endl;
	else cout << "NO" << endl;

	return 0;
}