#include <bits/stdc++.h>
#define rep(i,n) for(int i=0;i<n;i++)
using namespace std;
using ll =  long long ;
using P = pair<int,int> ;
using pll = pair<ll,ll>;
constexpr int INF = 1e9;
constexpr ll LINF = 1e18;
constexpr int MOD = 1000000007;

int main(){
    ll n;
    cin >> n;
    if(n <= 5|| n == 7){
        cout << -1 << endl;
        return 0;
    }
    ll a = 3,b = n - 3;
    while(1){
        if(__builtin_popcount(a) == 1 || __builtin_popcount(b) == 1){
             ++ a; -- b;
        }
        else{
            break;
        }
    }
    cout << a << " " << b << endl;
    return 0;
}