using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Please enter the size of the array.");

        int result = verifyInt();

        int[] numbers = new int[result];

        for(int i = 0; i < result; i++)

        {

            Console.WriteLine("please enter your numbers.");

            numbers[i] = verifyInt();

        }

        Intsort(numbers);

        for(int i = 0; i < result; i++)

        {

            Console.WriteLine(numbers[i]);

        }

    }

    static int verifyInt()

    {

        int result = 0;

        bool loop = false;

        string input;

        while(!loop)

        {

            Console.WriteLine("please enter a whole number");

            input = Console.ReadLine();

            loop = Int32.TryParse(input, out result);

            if(!loop)

            {

                Console.WriteLine("Invald entry. Please try again.");

            }

        }

        return result;

    }

    static void Intsort(int[] it)

    {

        int temp;

        for(int i = 0; i < it.Length; i++)

        {

            for(int j = i+1; j < it.Length; j++)

            {

                if (it [i] > it [j])

                {

                    temp = it[i];

                    it[i] = it[j];

                    it[j] = temp;

                }

            }

        }

    }

}