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.*;
public class TestClass {
	
	static PrintWriter out = new PrintWriter(System.out);
	public static void main(String args[] ) throws Exception {
        
        BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
        long n = Long.parseLong(in.readLine());
        if(n==0)
        {
        	out.println(1);
        	out.close();
        	System.exit(0);
        }
        if(n%4==1)
        {
        	out.println(8);
        }
        else if(n%4==2)
        {
        	out.println(4);
        }
        else if(n%4==3)
        {
        	out.println(2);
        }
        else if(n%4==0)
        {
        	out.println(6);
        }
        out.close();
    }
	
}