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 Main {

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

}
 			    	 	  		 	 		    	 	  	