#include <iostream>

void solve() {
    int n;
    std::cin >> n;

    for (int k = 0; k < 30; ++k) {
        if (k == __builtin_popcount(n + k)) {
            std::cout << "YES\n";
            return;
        }
    }

    std::cout << "NO\n";
}

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

    solve();

    return 0;
}