#include <iostream>
#include <iomanip>
#include <cmath>

typedef long long ll;

int main(void)
{
  std::cin.tie(0);
  std::ios::sync_with_stdio(false);
  std::cout << std::fixed << std::setprecision(13);
  double p, q;
  std::cin >> p >> q;
  double p1 = (1-p) * q;
  double p2 = p * (1-q) * q;
  std::cout << (p1 < p2 ? "YES" : "NO") << std::endl;
  return 0;
}