#include <bits/stdc++.h>
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;
}