using System;

public class Program

{

    public static void Main()

    {

        //Q1

        string stritemCode = "sony-dvd-062019";

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

        string manufacturer = parts[0];

        string product = parts[1];

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

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

        Console.WriteLine("Manufacturer: " + manufacturer);

        Console.WriteLine("Product: " + product);

        Console.WriteLine("Month: " + month);

        Console.WriteLine("Year: " + year);

        //Q2

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

        string email = Console.ReadLine();

        if (email.Contains("@"))

        {

            string username = email.Substring(0, email.IndexOf("@"));

            string domain = email.Substring(email.IndexOf("@") + 1);

            Console.WriteLine("Username: " + username);

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

        }

        else

        {

            Console.WriteLine("Invalid email address");

        }

    }

}