#include <iostream>
#include <algorithm>
#include <functional>
#include <string>
#include <climits>
#include <vector>
#include <numeric>
//#define __int32 long long
using namespace std;

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