#include <bits/stdc++.h>
#define REP(i, a, n) for(ll i = ((ll) a); i < ((ll) n); i++)
using namespace std;
typedef long long ll;

double P, Q;

int main(void) {
  cin >> P >> Q;

  double p1 = (1 - P) * Q;
  double p2 = P * (1 - Q) * Q;

  // cout << p1 << " " << p2 << endl;

  cout << (p1 < p2 ? "YES" : "NO") << endl;
}