#include "bits/stdc++.h" using namespace std; using ll = long long; using ld = long double; const int INF = (1 << 30) - 1; const ll INF64 = ((ll)1 << 62) - 1; const double PI = 3.1415926535897932384626433832795; const int dx[] = { 0, 1, 0, -1 }; const int dy[] = { -1, 0, 1, 0 }; bool check(ll x) { while (x != 1) { if (x % 2 == 0) { return false; } x /= 2; } return true; } int main() { ios::sync_with_stdio(false); cin.tie(0); ll n; cin >> n; for (int i = 3; i < min(n, 10LL); i++) { if (!check(i) && !check(n - i)) { cout << i << " " << n - i << endl; return 0; } } cout << -1 << endl; return 0; }