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