#include <bits/stdc++.h>
using namespace std;
int main() {
  int n;
  cin >> n;
  int a[n];
  int count = 1;
  a[0] = 0;
  a[1] = 2;
  for (int i = 2; i < n; i++) {
    count++;
    a[i] = a[i - 1] + count;
    if (a[i] > n) {
      int rem = a[i] - n;
      a[i] = a[0] + rem;
    }
  }
  for (int i = 1; i < n; i++) cout << a[i] << " ";
  return 0;
}
