#include <bits/stdc++.h>
using namespace std;
int main(){
	long long N;
	cin >> N;
	set<long long> st;
	for (int i = 0; i < 62; i++){
		st.insert(1LL << i);
	}
	for (int i = 3; i < N; i++){
		if (st.count(i) == 0 and st.count(N - i) == 0){
			cout << i << ' ' << N - i << endl;
			return 0;
		}
	}
	cout << -1 << endl;
}