#include <bits/stdc++.h>
#include <atcoder/all>
using namespace std;
using namespace atcoder;
using ll = long long;
using ld = long double;

double p, q;

int main() {
  cin >> p >> q;
  cout << ((1 - p) * q < p * (1 - q) * q ? "YES": "NO") << endl;
  return 0;
}