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 power(long long a, long long n) {
  long long res = 1;
  while (n) {
    if (n % 2 == 1) {
      res *= a;
      n--;
    } else {
      a *= a;
      n /= 2;
    }
  }
  return res;
}
int main() {
  long long n;
  cin >> n;
  cout << power(8, n) % 10 << endl;
}
