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