#include <bits/stdc++.h>
#define rep(i,j) for (int (i)=0;(i)<(int)(j);++(i))
#define put(i) cout << i << endl
using namespace std;

int main() {
    double p, q; cin >> p >> q;
    cout << ((1-p)*q < p*(1-q)*q ? "YES" : "NO") << endl;
}