#include <iostream>
using namespace std;
bool solve(long long x) {
	for (long long i = 1; i <= x; i *= 2) {
		if (i == x) return true;
	}
	return false;
}
long long n;
int main() {
	cin >> n;
	int p = -1;
	for (int i = 1; i < n && i <= 121; i++) {
		if (!solve(i) && !solve(n - i)) {
			p = i;
			break;
		}
	}
	if (p == -1) cout << -1 << endl;
	else cout << p << ' ' << n - p << endl;
	return 0;
}