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;

/**
 *
 * @author SABBAGH
 */
public class Main {
    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        Scanner scan=new Scanner(System.in);
        long n=scan.nextInt();
        if (n==0)
            System.out.println(1);
        else if (n%4==0)
        System.out.println(6);
        else if (n%4==1)
        System.out.println(8);
        else if (n%4==2)
        System.out.println(4);
        else if (n%4==3)
        System.out.println(2);
        // TODO code application logic here
    }
}
