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 arpa_hard_exam_naive_cheat 
{
	public static void main(String[] args) {
		Scanner in = new Scanner(System.in);
		long n=in.nextLong();
		long res=1;
		long a=8;
		while(n>0)
		{
			if(n%2!=0)
			{
				res=(res*a)%10;
				n--;
			}
			else
			{
				a=(a*a)%10;
				n/=2;
			}
		}
		System.out.println(res);
	}

}
