#include<iostream>
#include<stdio.h>

using namespace std;

int main(){

    double p, q;
    cin>> p>> q;

    double pro1 = (1-p)*q;
    double pro2 = p*(1-q)*q;

    if(pro1<pro2){
        cout<< "YES"<< endl;
    }else{
        cout<< "NO"<< endl;
    }
    return 0;
}