#include <iostream>
#include <vector>
#include <cstdio>
#include <sstream>
#include <map>
#include <string>
#include <algorithm>
#include <queue>
#include <cmath>
#include <set>
using namespace std;

int main(){
	double p,q;
	cin >> p >> q;

	double P1 = (1-p)*q;
	double P2 = p*(1-q)*1.0*q;

	cout << (P1<P2?"YES":"NO") << endl;

	return 0;
}