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 solve(int a, int n) {
  int res = 1;
  while (n) {
    if (n & 1) res = (res * a) % 1000;
    a = (a * a) % 1000;
    n >>= 1;
  }
  return res % 10;
}
int main() {
  int n;
  cin >> n;
  cout << solve(1378, n) << "\n";
}
