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;
import java.lang.Math;

public class hulk{
	public static void main(String[] args){
		Scanner scan = new Scanner(System.in);
		int power = scan.nextInt();
		double value = 1.0;
		while(power!=0){
		    value = value * 1378;
		    power--;
		}
		System.out.print((int)Math.abs(value%10));
	}
}