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