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.*;
import java.math.BigInteger;

public class Test2 {
   public static void main(String[] args) {
      Scanner sc = new Scanner(System.in);
      int exponent = sc.nextInt();
      if(exponent == 0) {
         System.out.println("1");
      }
      else {
         switch(exponent % 4) {
            case 0:
               System.out.println("6");
               break;
            case 1:
               System.out.println("8");
               break;
            case 2:
               System.out.println("4");
               break;
            case 3:
               System.out.println("2");
               break;
         }
      }
   }
}