using System;

​

/* 

    Provide a function that validates and parses a string containing a price.

    * The price must support either zero or exactly two decimal digits

    * The decimal part can be split by a comma ',' or a stop '.'

    * If the number format is incorrect, the application must throw an ApplicationException

*/

public class Program

{

    public static void Main()

    {

        var inputs = new string[]{"1234,50", "1234,50", "1234", "1a34"};

        foreach (var input in inputs)

        {

            try

            {

                Console.WriteLine(Parser.ParsePrice(input));

            }

            catch (ApplicationException ex)

            {

                Console.WriteLine($"Invalid price {input}: {ex.Message}");

            }

        }

    }

}

​

public static class Parser

{

    // TODO: Implement me  

}