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.*;
import java.util.*;
 
public class A742
{
      public static void main(String[] args) throws IOException 
	{
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		StringTokenizer st = new StringTokenizer(br.readLine());
		
		int n = Integer.parseInt(st.nextToken()) % 4;
		switch(n){
		      case 1:
		            System.out.println(8); 
		            break;
	            case 2:
	                  System.out.println(4); 
	                  break;
                  case 3: 
                        System.out.println(2); 
                        break;
                  case 4: 
                        System.out.println(6); 
                        break;
		}
	}
}