#include<iostream>
#include<math.h>
#include<string>
using namespace std;

int main(){
	double p;
	double q;
	double p1;
	double p2;
	cin >> p;
	cin >> q;
	p1 = (1 - p)*q;
	p2 = p*(1 - q)*q;
	if (p1 < p2){
		cout << "YES" << endl;
	}
	else{
		cout << "NO" << endl;
	}
	return 0;
}