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.io.*;

	public class Prac{
		public static void main(String []args){
			Scanner sc = new Scanner(System.in);
			int n =sc.nextInt();
			int lastDigit = n%10;
			/*
				1-8,2-4,3-2,4-6,5-8,6-4........
			
			*/
			int rem=n%4;
			if(rem==1){System.out.println("8");}
			if(rem==2){System.out.println("4");}
			if(rem==3){System.out.println("2");}
			if(rem==0 && n!=0){System.out.println("6");}
			if(n==0){System.out.println("1");}
		}
	}
	
	