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