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  A787{

	public static void main(String[] args) {
		
		Scanner sc=new Scanner(System.in);

		int a=sc.nextInt();
		
		if(a==0)
		System.out.println("1");

		else	if(a%4==1)
		System.out.println("8");
		else if(a%4==2)
		System.out.println("4");
		else if(a%4==3)
		System.out.println("2");
		else	if(a%4==0)
		System.out.println("6");
	}

}
