#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (int i = 0; i < (int)(n); ++i)
int main() {
    // Input
    double p, q;
    cin >> p >> q;

    // Output
    double P1 = (1 - p) * q;
    double P2 = p * (1 - q) * q;
    cout << (P1 < P2 ? "YES" : "NO") << endl;
}