using System;

public class Program

{

    public static void Main()

    {

string strItemCode = "sony-dvd-062019";

        string[] parts = strItemCode.Split('-');

​

        if (parts.Length == 3)

        {

            string manufacturerCode = parts[0];

            string productCode = parts[1];

            string month = parts[2].Substring(0, 2);

            string year = parts[2].Substring(2);

​

            Console.WriteLine("Manufacturer: " + manufacturerCode + ", Product: " + productCode + ", Month: " + month + ", Year: " + year);

        }

        else

        {

            Console.WriteLine("Invalid item code format.");

        }

​

        Console.WriteLine();

​

        Console.WriteLine("Enter your email address:");

        string emailAddress = Console.ReadLine();

​

        int atIndex = emailAddress.IndexOf('@');

        if (atIndex == -1)

        {

            Console.WriteLine("Invalid email address. Missing '@' symbol.");

            return;

        }

​

        string userName = emailAddress.Substring(0, atIndex);

        string domain = emailAddress.Substring(atIndex + 1);

​

        Console.WriteLine("User name: " + userName);

        Console.WriteLine("Domain: " + domain); }

}