using System;

public class Program

{

    public static void Main()

    {

        int [] array = new int [] {1, 23, 12, 9, 30, 2, 50};

        //get array length into a variable array_length

        int array_length = array.Length;

        //display the maximum size of the array and request for number of items to display

        Console.WriteLine("Maximum array length is "+ array_length + "\nEnter number of items to display: ");

        //get number of items from user input

        int k = Convert.ToInt32(Console.ReadLine());

        //check if user input is not greater than array_length

        if (k > array.Length){

            //if user input is greater than array length then display message

            Console.WriteLine("Numer of items to list is greater than array length");

        } else { 

            //if user input is less than or equal to array length

        //sort array in ascending order

        Array.Sort(array);

        //display message of the itemms to display

        Console.WriteLine("First " + k + " smallest items in ascending order are :");

        //loop through the array displaying the first k items in ascending order

        for (int i = 0; i<=k-1;i++) {

            Console.WriteLine(array[i]);

        }

        //reverse sorted array hence sorting array in descending order

        Array.Reverse(array);

            //display message of the itemms to display

        Console.WriteLine("First " + k + " largest items in descending order are :");

            //loop through the array displaying the first k items in descending order

        for (int i = 0; i<=k-1;i++) {

            Console.WriteLine(array[i]);

        }

    }

}

}