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.Scanner;

public class Bit2 {

	public static void main(String[] args) 
	{
		Scanner sc = new Scanner(System.in);
		
		int n = sc.nextInt();
		int r=1;
		if(n==0)
			r=1;
		else if(n%4==0)
			r=6;
		else if(n%4==1)
			r=8;
		else if(n%4==2)
			r=4;
		else if(n%4==3)
			r=2;
		
		System.out.println(r);
	}

}
