#include <bits/stdc++.h>
using namespace std;
const double eps = 1e-12;
const double pi = acos(-1.0);
const int MAX = INT_MAX;
int main() {
  int a = 8;
  int ans = 1;
  long long n;
  cin >> n;
  ans = n % 4;
  if (ans == 0)
    ans = 6;
  else if (ans == 1)
    ans = 8;
  else if (ans == 2)
    ans = 4;
  else if (ans == 3)
    ans = 2;
  if (n == 0) ans = 1;
  cout << ans;
  return 0;
}
