#include<iostream>
#include<string>
#include<algorithm>
#include<cmath>
#include<iomanip>
#include<cstring>
#include<map>
#include<vector>
using namespace std;
typedef long long int ll;

int main(){

  double p, q, 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;
}