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.*;
import java.math.*;
import java.io.*;
public class Main{
    public static void main(String[] args){
        
        
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        try{
            
                String inp = br.readLine(); // buffered reader reads a line of text
                int n = Integer.parseInt(inp);
                if(n==0){
                    System.out.println(1);
                }
                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);
                }
                else if(n%4 ==0){
                    System.out.println(6);
                }
                
                
               
               
            
            
            
            
            
        }
        catch(Exception e){
        }
    }
}

