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

signed main(){
  double P, Q; cin >> P >> Q;
  double p1 = ( 1.0 - P ) * Q;
  double p2 = P * ( 1.0 - Q ) * Q;
  if( p1 < p2 )
    cout << "YES" << endl;
  else
    cout << "NO" << endl;
  return 0;
}