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.*;
import java.io.*;
import java.math.BigInteger;

public class Tests{
	static Scanner in = new Scanner (System.in);
	//static BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

	static PrintWriter out = new PrintWriter (System.out);
	static int mod = 1000000000;;

	
	public static void main (String []args) throws IOException,ArithmeticException {
	
	
		
			
		
	out.println(PowerMod(1378,in.nextLong(),mod)%10);
	
			
				
	    out.flush();
		out.close();
				
	}
	
	static  long  PowerMod(long a, long b, long m) {
		   long  tempo;
		  if (b ==0 ){
		   tempo =  1;  //EXIT condition
		   }//if
		  else  if (b == 1) tempo = a;
		        else { long temp = PowerMod(a,b/2,m);
		            if (b%2 == 0)
		               tempo = (temp*temp)%m;
		            else
		     		    tempo = ((temp*temp)%m)*a%m;
				   }
		    return tempo%m;
		 } 

	

	
	

	
}