#include <bits/stdc++.h>
using namespace std;
#ifdef LOCAL
  #include "settings/debug.cpp"
#else
  #define Debug(...) void(0)
#endif
#define rep(i, n) for (int i = 0; i < (n); ++i)
using ll = long long;
using ull = unsigned long long;

inline bool is_2beki(ll n) {
  if (n == 0) return false;
  while (n % 2 == 0) n /= 2;
  return n == 1;
}

int main() {
  cin.tie(nullptr)->sync_with_stdio(false);
  ll n;
  cin >> n;
  for (ll i = 1; i <= 1000; ++i) {
  	if (n - i <= 0) break;
    if (is_2beki(i) || is_2beki(n - i)) continue;
    cout << i << ' ' << n - i << '\n';
    return 0;
  }
  cout << -1 << '\n';
  return 0;
}