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 learning;
import java.util.*;
public class Answer {
	public static void main(String[] args) {
		Scanner sc=new Scanner(System.in);
		int n;
		int arr[]=new int[]{1,8,4,2,6,8,4,2,6,8,4};
		n=sc.nextInt();
		if(n<10) {
			System.out.println(arr[n]);
		}
		else {
			int r=n%10;
			System.out.println(arr[r]);
		}
	}
	
}
