#include <iostream>
#include <string>
#include <vector>
using namespace std;

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