using System;

public class Program

{

    public static void Main()

    {

        try

        {

            Console.WriteLine("Hello give me a number to square");

            int myDouble = Convert.ToInt16(Console.ReadLine());

            Console.WriteLine(myDouble * myDouble);

        }

        catch(OverflowException e)

        {

            Console.WriteLine("Number too big/ small >:(");

        }

        catch(FormatException e)

        {

            Console.WriteLine("Not a whole number >:(");

            Console.WriteLine(e);

        }

    }

}