#include<iostream>
#include<stdio.h>
#include<stdlib.h>
#include<algorithm>
#include<vector>
#include<string.h>
#include<math.h>
#include<map>
#include<iomanip>
#include<queue>

using namespace std;
using ll = long long;
using ull = unsigned long long;

const ll inf = 1e9 + 7;

int main(){	
	cin.tie(0);
	ios::sync_with_stdio(false);
	//cout << fixed << setprecison(15);
	ll n;
	cin >> n;
	for(ll i = 3; i <= n/2; i++){
		ll x = i;
		while(x > 1){
			if(x % 2 == 0){
				x /= 2;
			}else{
				break;
			}
		}
		if(x <= 1)continue;
		ll y = n - i;
		while(y > 1){
			if(y % 2 == 0){
				y /= 2;
			}else{
				break;
			}
		}
		if(y <= 1)continue;
		cout << i << " " << n - i << endl;
		return 0;
	}
	cout << -1 << endl;
	return 0;
}