#include <iostream>
using namespace std;
int main() {
	double p, q;
	double P1, P2;
	cin >> p >> q;
	P1 = (1 - p) * q;
	P2 = p * (1 - q) * q;
	if (P1 < P2) { cout << "YES" << endl; }
	else {
		cout << "NO" << endl;
	}
	return 0;
}