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 = 1378;
        for(int i = 1; i<n; i++){
            num *=1378;
        }
        
       
        System.out.println(num % 10);

        
        
      }
}

	 		 		 	      				   	  	 	