#include <iostream>
#include <vector>
#include <math.h>
#include <stdio.h>
#include <algorithm>
#include <string>
#include <map>
using namespace std;
#define ll long long

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