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