#include <iostream>

using lint = long long;

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

    if (n < 6 || n == 7) {
        std::cout << -1 << std::endl;
        return;
    }

    if (__builtin_popcountll(n - 3) != 1) {
        std::cout << 3 << " " << n - 3 << std::endl;
    } else {
        std::cout << 5 << " " << n - 5 << std::endl;
    }
}

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

    solve();

    return 0;
}