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