#include <iostream>
#include <cstdio>
#include <vector>
#include <algorithm>
#include <utility>

using namespace std;

int main() {
	double p, q;

	cin >> p >> q;

	double P1 = (1 - p) * q;
	double P2 = p * (1 - q) * q;

	cout << (P1 < P2 ? "YES" : "NO") << endl;
	return 0;
}