12
 1378
 51202278
 989898989
 4
 7
 9
 6
 8
 12193721
 999999995
 999999999
 11
 999999996
 999999998
 3
 14
 15
 10
 999999994
 1000
 13781378
 5
 999999997
 1000000000
 13
 16
 0

6
 4
 4
 8
 6
 2
 8
 4
 6
 8
 2
 2
 2
 6
 4
 2
 4
 2
 4
 4
 6
 4
 8
 8
 6
 8
 6
 1

#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;
}
