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 Solution{
	private static Scanner s;

	public static void main(String[] args)
	{
		s = new Scanner(System.in);
		long n=s.nextLong();
		long ans=n%4;
		if(n!=0)
			 if(ans==0)
			    System.out.println("6");
			 else if(ans==1)
			    System.out.println("8");
			 else if(ans==2)
				System.out.println("4");
			 else
				System.out.println("2");
		else
			System.out.println("1");
		
	}
}
