#include <bits/stdc++.h> 

using namespace std;
typedef long long ll;
const ll MOD = 1e9 + 7;

int main() {
    double p, q;
    cin >> p >> q;
    double P1 = (1 - p) * q;
    double P2 = p * (1 - q) * q;
    if (P1 < P2)
        cout << "YES" << endl;
    else
        cout << "NO" << endl;
}