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 Main
{
	public static void main (String[] args) throws java.lang.Exception
	{
		// your code goes here
		Scanner in = new Scanner(System.in);
		int num = in.nextInt();
		 if(num==0){System.out.println(1); return;}
		if(num%4==0)System.out.println(6);
		else if(num%4==1)System.out.println(8);
		else if(num%4==2)System.out.println(4);
		else if(num%4==3)System.out.println(2);
	}

		
	
	
}
