#include <bits/stdc++.h>
using namespace std;
void file() {}
void fast() {
  std::ios_base::sync_with_stdio(NULL);
  cin.tie(NULL);
  cout.tie(NULL);
}
bool prime(int x) {
  if (x == 0 || x == 1) {
    return false;
  }
  for (int i = 2; i * i <= x; i++) {
    if (x % i == 0) return false;
  }
  return true;
}
int main() {
  fast();
  file();
  int n;
  cin >> n;
  if (n == 0)
    cout << 1 << "\n";
  else if (n % 4 == 1)
    cout << 8 << "\n";
  else if (n % 4 == 2)
    cout << 4 << "\n";
  else if (n % 4 == 3)
    cout << 2 << "\n";
  else if (n % 4 == 0)
    cout << 6 << "\n";
}
