#include<bits/stdc++.h>
typedef long long ll;
using namespace std;
int INF = 1LL << 30;
int MOD = 1e9+7;
main(){
    ll N;
    cin >> N;
    if(N <= 5 || N == 7){
        cout << -1 << endl;
        return 0;
    }
    int cnt = __builtin_popcountll(N-3);
    if(cnt == 1){
        cout << 5 << " " << N-5 << endl;
    }else{
        cout << 3 << " " << N-3 << endl;
    }

}