#include <bits/stdc++.h>

using namespace std;

using int64 = long long;

int main()
{
  int64 x;
  cin >> x;
  for(int64 i = 1; i < x; i++) {
    auto j = x - i;
    if(__builtin_popcount(i) > 1 && __builtin_popcount(j) > 1) {
      cout << i << " " << j << endl;
      return (0);
    }
  }
  cout << -1 << endl;
  
}