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.*;
import java.io.BufferedReader; 
import java.io.IOException; 
import java.io.InputStreamReader; 
import java.util.Scanner; 
import java.util.StringTokenizer; 
  
/* 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
	{
	    Scanner sc=new Scanner(System.in);
	 
// int t=sc.nextInt();
// while(t-->0)
// {
    int n=sc.nextInt();
   System.out.println(pow(1378,n));
 
 
// } 
}
public static int pow(int a,int n)
{int res=1;
    if(n%2==1)
    {
        res=(res*a)%10;
        n--;
    }
    else
    {
        a=(a*a)%10;
        n=n/2;
    }
    return res;
}
}   
