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;
const long long x = 1378;
long long pow_mod(long long y, long long n) {
  if (!n) return 1ll;
  long long res = pow_mod(y * y % 10, n / 2);
  if (n & 1) res = res * y % 10;
  return res;
}
int main() {
  long long d;
  ios::sync_with_stdio(false);
  while (cin >> d) cout << pow_mod(x, d) << "\n";
  return 0;
}
