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


import java.util.Scanner;
public class Prac {

    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        int num = in.nextInt();
       if (num == 0){
          System.out.println("1");
      }
        else if (num %4 == 1){
          System.out.println("8");
      }
      else if (num %4 == 2){
          System.out.println("4");
      }
      else if (num %4 == 3){
          System.out.println("2");
      }
      else{
          System.out.println("6");
      }
      
      
    }
    
}
