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.*;



public class ClassA {
	
	
 
	public static void main(String[] args) 
	{
		
		Scanner sc=new Scanner(System.in);
		long n=sc.nextInt();
		double num = Math.pow(1378, n);
		System.out.println((int)num%10);
		
	}
	}
		
			 
		 
		