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