#include <bits/stdc++.h>
using namespace std;

using i64 = long long;

int main() {
    cin.tie(nullptr)->sync_with_stdio(false);

    auto solve = [&]() {
        i64 n;
        cin >> n;

        for (i64 i = 1; i < n; i++) {
            if (__builtin_popcountll(i) != 1 && __builtin_popcountll(n - i) != 1) {
                cout << i << ' ' << n - i << '\n';
                return;
            }
        }

        cout << -1 << '\n';
    };
    
    solve();
    
    return 0;
}