#include<bits/stdc++.h>
using namespace std;
using Int = long long;
//INSERT ABOVE HERE
signed main(){
  double p,q;
  cin>>p>>q;
  double P1=(1-p)*q;
  double P2=p*(1-q)*q;
  cout<<(P1<P2?"YES":"NO")<<endl;
  return 0;
}