#include <iostream>

using namespace std;

int main(int argc, const char* argv[])
{
	double p, q;
	cin >> p >> q;
	double p0 = p * q;
	double p1 = (1 - p) * q;
	double p2 = p * (1 - q) * q;
	//	cout << p0 << endl;
	//	cout << p1 << endl;
	//	cout << p2 << endl;
	cout << (p1 < p2 ? "YES" : "NO") << endl;
	return 0;
}