#include <bits/stdc++.h>
using namespace std;
#ifdef LOCAL
  #include "settings/debug.cpp"
  #define _GLIBCXX_DEBUG
#else
  #define Debug(...) void(0)
#endif
#define rep(i, n) for (int i = 0; i < (n); ++i)
using ll = long long;
using ull = unsigned long long;

int main() {
  // P1 = (1-p)q, P2 = pq(1-q)
  // (1-p) < p(1-q)
  double p, q;
  cin >> p >> q;
  if ((1 - p) < p * (1 - q)) {
    cout << "YES" << endl;
  }
  else {
    cout << "NO" << endl;
  }
  return 0;
}