#include <bits/stdc++.h>
#define rep(i,n) for(int i = 0; i < (n); i++)
using namespace std;
typedef long long ll;

int main(){
    cin.tie(0);
    ios::sync_with_stdio(0);
    
    ll N; cin >> N;
    for(ll x : {3, 5, 7, 9, 11}) {
        ll y = N - x;
        if(x < N && 1 <= y && y < N && __builtin_popcountl(y) != 1) {
            cout << x << " " << y << endl;
            return 0;
        }
    }

    cout << -1 << endl;
}