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.*;

public class Practise {

    static int[][] dp;


    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
//int n =sc.nextInt();
      int n =sc.nextInt();
      n=n%8;
      if(n==0)
        System.out.println(6);
      else
      {
          n=n%4;
          if(n==1)
              System.out.println(8);
          else if(n==2)
              System.out.println(4);
          else if(n==3)
              System.out.println(2);
          else
              System.out.println(6);
      }

    }

    private static int binaryexpo(int i, int n) {
        int x = 1;
        while (n != 0) {
            if (n % 2 == 0) {
                n = n / 2;

                i = i * i;
            } else {
                n--;
                x = x * i;
            }

        }
        return x;
    }
}
