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;
void settings() {
  ios_base::sync_with_stdio(false);
  cin.tie(NULL);
}
const int MOD = 1073741824;
int n, m;
int main(int argc, char** argv) {
  settings();
  cin >> n;
  cout << (n == 0       ? "1"
           : n % 4 == 1 ? "8"
           : n % 4 == 2 ? "4"
           : n % 4 == 3 ? "2"
                        : "6");
  return 0;
}
