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 Main {
      public static void main(String [] args){
        
        Scanner input = new Scanner(System.in);
        
        int n = input.nextInt();
        
        int num = (int) Math.pow(1378, n);
        
        String str = "" + num;
        
        System.out.println(str.charAt(str.length()-1));
        
        
        
        
        
        
        
      }
}

	 	   		 						 	 		 				  	