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

const int64_t MOD = 1e9 + 7;

int main() {
  double p, q;
  cin >> p >> q;
  double p1 = (1 - p) * q;
  double p2 = p * (1 - q) * q;
  if (p1 < p2) cout << "YES" << endl;
  else cout << "NO" << endl;
  return 0;
}