#include<iostream>
#include<algorithm>

int main() {
	double p, q;

	std::cin >> p >> q;

	double p1, p2;
	p1 = (1 - p) * q;
	p2 = p * (1 - q) * q;

	std::cout << (p1 < p2 ? "YES" : "NO") << std::endl;

	return 0;
}