#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
int main() {
  cin.tie(0);
  ios::sync_with_stdio(false);
  vector<ll> a;
  a.push_back(1);
  set<ll> s;
  s.insert(1);
  ll t = 2;
  ll N;
  cin >> N;
  if (N == 1) {
    cout << "-1\n";
    return 0;
  }
  while (t <= N) {
    a.push_back(t);
    s.insert(t);
    t *= 2;
  }
  for (int i = 0; i < a.size(); i++) {
    for (int j = 0; j < a.size(); j++) {
      if (a[i] + a[j] == N) {
        cout << "-1\n";
        return 0;
      }
    }
  }
  for (int i = 3; i < N; i++) {
    if (s.count(i) == 0) {
      if (s.count(N - i) == 0) {
        cout << i << " " << N - i << "\n";
        return 0;
      }
    }
  }
  return 0;
}