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;
int main() {
  long long a;
  cin >> a;
  a = a % 4;
  switch (a) {
    case 0:
      cout << 6 << endl;
      break;
    case 1:
      cout << 8 << endl;
      break;
    case 2:
      cout << 4 << endl;
      break;
    case 3:
      cout << 2 << endl;
      break;
  }
  return 0;
}
