#include <iostream>

using ldouble = long double;

void solve() {
    ldouble p, q;
    std::cin >> p >> q;
    std::cout << (1 - p < p * (1 - q) ? "YES" : "NO") << std::endl;
}

int main() {
    std::cin.tie(nullptr);
    std::ios::sync_with_stdio(false);

    solve();

    return 0;
}