12
 1378
 51202278
 989898989
 4
 7
 9
 6
 8
 12193721
 999999995
 999999999
 11
 999999996
 999999998
 3
 14
 15
 10
 999999994
 1000
 13781378
 5
 999999997
 1000000000
 13
 16
 0

6
 4
 4
 8
 6
 2
 8
 4
 6
 8
 2
 2
 2
 6
 4
 2
 4
 2
 4
 4
 6
 4
 8
 8
 6
 8
 6
 1

#include <bits/stdc++.h>
using namespace std;
int main() {
  ios::sync_with_stdio(false);
  cin.tie(nullptr);
  int N;
  cin >> N;
  if (N == 0) {
    cout << 1 << '\n';
    return 0;
  }
  vector<int> f{8, 4, 2, 6};
  if (N % 4 == 0) {
    cout << 6 << '\n';
  } else if (N < 4) {
    cout << f[N - 1] << '\n';
  } else {
    cout << f[N % 4] << '\n';
  }
  return 0;
}
