#include <iostream>
#include <algorithm>
#include <vector>
using namespace std;
typedef long long LL;

int main(){
    double p, q;
    cin >> p >> q;
    double p1 = (1.0 - p) * q;
    double p2 = p * (1.0 - q) * q;
    if(p1 < p2){
        cout << "YES" << endl;
    }else{
        cout << "NO" << endl;
    }
    return 0;
}