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 com.turtle.bone;

import java.util.Scanner;

public class AK742 {
	public static Scanner cin = new Scanner(System.in);

	public long a742(long n){
		long res=8;
		for(long i=1;i<n;i++){
			res=1378*res;
			res=res%10;
		}
		return res;
	}
	
	public long a742up(long n){
		long res=8;
		long tmp=n%4+4;
		if(n==0){
			res=1;
		}else{
			for(long i=1;i<tmp;i++){
				res=1378*res;
				res=res%10;
			}
		}
			
		return res;
	}

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		while (cin.hasNext()) {
			long n = cin.nextInt();
        long st=System.currentTimeMillis();
        long res=new AK742().a742up(n);
        long et=System.currentTimeMillis();
        System.out.println(String.format("%d", res));

		}
	}

}
