#include <iostream>
#include <string>
#include <algorithm>
#include <vector>
#include <iomanip>
#include <cmath>
#include <stdio.h>
#include <queue>
#include <deque>
#include <cstdio>
#include <set>
#include <map>
#include <bitset>
#include <stack>
#include <cctype>
using namespace std;
int main() {
	long long n;
	cin >> n;
	bool bo = true, bo1 = true;
	long long n1 = n - 3;
	long long n2 = n - 5;
	while (n1 != 0 && n1 % 2 == 0) {
		n1 /= 2;
	}
	while (n2 != 0 && n2 % 2 == 0) {
		n2 /= 2;
	}
	if (n1 <= 1) {
		bo = false;
	}
	if (n2 <= 1) {
		bo1 = false;
	}
	if (bo) {
		cout << 3 << " " << n - 3 << endl;
	}
	else if (bo1) {
		cout << 5 << " " << n - 5 << endl;
	}
	else {
		cout << "-1" << endl;
	}
}