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 X {

    static Scanner input = new Scanner(System.in);
    public static void main(String[] args) {
       
        long n = input.nextInt();
        
        if(n==0){
            System.out.println("1");
            return;
        }
        switch ((int)n%4) {
            case 0:
                System.out.println(6);
                break;
            case 3:
                System.out.println(2);
                break;
            case 2:
                System.out.println(4);
                break;
            default:
                System.out.println(8);
                break;
        }
        
    }
    
}
