#include <bits/stdc++.h>
using namespace std;
int main(int argc, char const *argv[]) {
  long long n;
  cin >> n;
  if (n == 0) {
    cout << 1;
  }
  if (n % 4 == 0 && n != 0) {
    cout << 6;
  } else if (n % 4 == 1) {
    cout << 8;
  } else if (n % 4 == 2) {
    cout << 4;
  } else if (n % 4 == 3)
    cout << 2;
  return 0;
}
