#include <bits/stdc++.h>
#define PB push_back
#define MP make_pair
#define REP(i,n) for (int i=0;i<(n);i++)
#define FOR(i,a,b) for(int i=(a);i<(b);i++)
#define ALL(a) (a).begin(),(a).end()
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef pair<int,int> P;
const ll INF=1e9;
int main(){
      double p1,p2;
      double p,q;
      cin>>p>>q;
      p1=(1-p)*q;
      p2=p*(1-q)*q;
      if(p1<p2)cout<<"YES"<<endl;
      else cout<<"NO"<<endl;
}