#include <bits/stdc++.h>
using namespace std;
#define ll long long
int main() {
  int n;
  cin >> n;
  for(int a=1; a<n; a++) {
    int b = n-a;
    if(b>0) {
      cout << a << " " << b << endl;
      break;
    }
  }
  return 0;
}