#include<iostream>
#include<algorithm>
#include<cmath>
using namespace std;
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;
  }
}