#include <bits/stdc++.h>
using namespace std;
void file() {
  freopen("input.txt", "r", stdin);
  freopen("output.txt", "w", stdout);
}
void check(int n) {
  int temp;
  temp = n / 2;
  if (n % 2 == 0) {
    if (temp % 2 == 0) {
      cout << "6"
           << "\n";
    } else {
      cout << "4"
           << "\n";
    }
  } else {
    if (temp % 2 == 0) {
      cout << "8"
           << "\n";
    } else {
      cout << "2"
           << "\n";
    }
  }
}
int main(void) {
  int n;
  cin >> n;
  if (n == 0) {
    cout << "1"
         << "\n";
  } else {
    check(n);
  }
  return 0;
}
