#include <bits/stdc++.h>
using namespace std;
int main() {
  long long int n;
  cin >> n;
  if (n == 0)
    cout << 1 << endl;
  else if (n % 4 == 0)
    cout << 6 << endl;
  if (n % 4 == 1) cout << 8 << endl;
  if (n % 4 == 2) cout << 4 << endl;
  if (n % 4 == 3) cout << 2 << endl;
}
