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

/* package codechef; // don't place package name! */

import java.util.*;
import java.lang.*;
import java.io.*;

/* Name of the class has to be "Main" only if the class is public. */
  public class Codechef
{
	public static void main (String[] args) throws java.lang.Exception
	{
		int n;
		Scanner sc=new Scanner(System.in);
		n=sc.nextInt();
		if(n==0)System.out.print("1");
		else
		{
		n=n%4;
		switch(n)
		{
		    case 0:
		        System.out.print('6');break;
		  case 1: System.out.print("8");
		        break;
		  case 2: System.out.print("4");
		     break;
		     case 3 :
		         System.out.print("2");
		         break;
		         
		}
		}
	
	}
	
	}

