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.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.math.BigInteger;
import java.util.StringTokenizer;

public class Round381 
{

	// remove package
	
	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;
		 } 
	public static void main(String[]args)throws Throwable
	{
		SC sc = new SC(System.in);
		int n = sc.nextInt();
		BigInteger x = new BigInteger("1378");
		x = x.modPow(new BigInteger(n+""), BigInteger.TEN);
	   System.out.println(x);
	}
	
	static class SC
	{
		BufferedReader br;
		StringTokenizer st;

		SC(InputStream s)
		{
			br = new BufferedReader(new InputStreamReader(s));
		}

		String next() throws IOException
		{
			while(st == null || !st.hasMoreTokens())
				st = new StringTokenizer(br.readLine());
			return st.nextToken();
		}

		int nextInt() throws NumberFormatException, IOException
		{
			return Integer.parseInt(next());
		}

		long nextLong() throws NumberFormatException, IOException
		{
			return Long.parseLong(next());
		}
	}
}
