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>
int main() {
  int x;
  long long i, n;
  scanf("%lld", &n);
  if (n == 0)
    x = 1;
  else {
    i = n % 4;
    if (i == 1) x = 8;
    if (i == 2) x = 4;
    if (i == 3) x = 2;
    if (i == 0) x = 6;
  }
  printf("%d\n", x);
  return 0;
}
