#include<cstdio>
#include<iostream>
#include<cctype>
#include<cstring>
#include<cmath>
#include<algorithm>
using namespace std;

#define ll long long
#define REP(i,a,b) for(i=a;i<b;i++)
#define rep(i,n) REP(i,0,n)
#define MD 1000000007

char sep[3] = " \n";
double PI = acos(-1);

int main() {
  double p, q;

  cin >> p >> q;
  if (q*(1-p) < p*q*(1-q)) cout << "YES" << endl;
  else cout << "NO" << endl;

  return 0;
}