#include<bits/stdc++.h>
using namespace std;

int main(){
    double p,q,p1,p2;

    cin >> p >> q;

    p1=(1-p)*1*q;
    p2=p*(1-q)*1*q;

    if(p1<p2) cout << "YES" << endl;
    else cout << "NO" << endl;

    return 0;
}