#include<iostream>
#include<vector>
#include<bitset>
#include<algorithm>
#include<cmath>
#include<string>
using namespace std;
int main(){ 
    int N;
    double n1,n2;
    cin >> N ;
    for(int i=3;i<=N/2;i++){
        n1 = log2(i);
        n2 = log2(N-i);
        if(n1!=floor(n1)&&n2!=floor(n2)){
            cout << i << ' ' << N-i << endl;
            return 0;
        }
    }
    cout << -1 << endl;
    return 0;
}