#include "bits/stdc++.h"
using namespace std;

int main()
{
	double p, q; cin >> p >> q;
	auto P1 = (1 - p) * q;
	auto P2 = p * (1 - q) * q;
	cout << (P1 < P2 ? "YES" : "NO") << endl;
	return 0;
}