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;

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

/**
 *
 * @author RQM
 */
public class code {
    public static void main(String[] args) {
        
    
    Scanner in = new Scanner(System.in);
    long n = in.nextInt();
    long n2 = (int) Math.pow(1378,n);
    String d = ""+n2;
    System.out.println (d.charAt(d.length()-1));
    }
}
