#include <bits/stdc++.h>
using namespace std;

int main() {
  int N;
  cin >> N;
  vector<int> V(N + 1);
  for (int i = 1; i <= N; i++) {
    for (int j = i; j <= N; j += i) {
      V.at(j)++;
    }
  }
  int mi = 1e9;
  for (int i = 1; i < N; i++) {
    int j = N - i;
    mi = min(mi, abs((i - V.at(i)) - (j - V.at(j))));
  }
  for (int i = 1; i < N; i++) {
    int j = N - i;
    if (abs((i - V.at(i)) - (j - V.at(j))) == mi) cout << i << " " << j << "\n";
  }
}