#include <bits/stdc++.h>
using namespace std;
const int MX = 5500000;
int main() {
  int n;
  cin >> n;
  if (n % 2 == 0) {
    for (int i = 2; i <= n; i += 2) {
      cout << i << " ";
    }
    cout << endl;
    return 0;
  }
  if (n < 6) {
    cout << -1 << endl;
    return 0;
  }
  cout << 3 << " " << 6 << " ";
  for (int i = 2; i <= n; i += 2) {
    if (i != 6) cout << i << " ";
  }
  cout << endl;
  return 0;
}