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