#include <bits/stdc++.h>

#define REP(i, x, n) for(int i = x; i < (int)(n); i++)
#define rep(i, n) REP(i, 0, n)
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
#define F first
#define S second
#define mp make_pair

using namespace std;

typedef long long ll;
typedef unsigned long long ull;
typedef pair<int, int> P;

int main() {
  // ios_base::sync_with_stdio(false);
  double p, q;
  cin >> p >> q;
  double p1 = (1 - p) * q;
  double p2 = (p * (1 - q)) * q;
  cout << (p1 < p2 ? "YES" : "NO") << endl;
  return 0;
}