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

//package cc;

import java.util.Scanner;

public class CF_383 {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Scanner scan=new Scanner(System.in);
		long n=scan.nextInt();
		if(n%4==0)
			System.out.println("6");
		else if(n%4==1)
			System.out.println("8");
		else if(n%4==2)
			System.out.println("4");
		else if(n%4==3)
			System.out.println("2");
		scan.close();

	}

}
