#include<iostream>
using namespace std;
int main(void) {
	double p,q;
	cin >> p >> q;
	double p1 = (1-p)*q;
	double p2 = p*(1-q)*q;
	if(p1 < p2)cout << "YES" << endl;
	else cout << "NO" << endl;
	return 0;
}