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.lang.*;
import java.io.*;
public class main
{
	public static void main (String[] args) throws java.lang.Exception
	{

      Scanner sc = new Scanner (System.in);
        long a = sc.nextLong();
        if(a==0)System.out.println("0");
        else{
        if(a%4==0)System.out.println("6");
        if(a%4==1)System.out.println("8");
        if(a%4==2)System.out.println("4");
        if(a%4==3)System.out.println("2");
        }
        }
	}