#define _USE_MATH_DEFINES
#include  <cmath>
#include <cstdio>
#include <vector>
#include <iostream>
#include <algorithm>
#include <string>
#include<math.h>
#include<iomanip>
#include<stdio.h>
#include <stdlib.h>
#include<stdio.h>
#include <queue>
#include<map>
#include <sstream>
#include<set>
#include<stack>

//#include<bits/stdc++.h>


using namespace std;



int main() {
	
	long long int n;
	cin >> n;


	for (long long int i = 3; i <= n / 2; i += 2) {
		long long int x = n - i;
		while (x % 2 == 0)x /= 2;
		if (x == 1)continue;
		cout <<  i << " " << n-i << endl;
		return 0;
	}
	cout << -1 << endl;




	return 0;


		
}