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 JavaApplication34 {

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


