#include <bits/stdc++.h>
using namespace std;
int main() {
  long long t, n, p, q, r, s, arr[100100];
  string str;
  while (cin >> n) {
    if (n == 0)
      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;
  }
  return 0;
}
