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 ArpaHardExam{
	public static void main(String [] args){
		long n, numb = 1;
		int powerOf = 1378;
		Scanner scn = new Scanner(System.in);
		n = scn.nextInt();
		for (int i = 0; i<n; i++){
			numb *= 8;
		}
		System.out.println(numb%10);
	}
}