#include<iostream>
#include<vector>
#include<algorithm>
#include<string>
#include<cmath>
#include<cstdio>
using namespace std;
int main(){
    double p,q;
    cin >> p >> q;
    if(p*q<(1-p)*q) cout << "YES";
    else    cout << "NO";
    return 0;
}