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;
long long int power3(long long int a, long long int n, long long int p) {
  long long int res = 1;
  while (n) {
    if (n % 2) res = (res * a) % p, n--;
    a = (a * a) % p, n /= 2;
  }
  return res;
}
long long int my_own() {
  long long int n;
  cin >> n;
  cout << power3(8, n, 10);
  return 0;
}
int32_t main() {
  ios_base::sync_with_stdio(false);
  cin.tie(0);
  cout.tie(0);
  long long int t = 1;
  while (t--) my_own();
  return 0;
}
