using System;

public class Program

{

    public static void Main()

    {

        //Q1

        string strItemCode = "sony-dvd-062019";

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

​

        if(x.Length == 3)

        {

            string manufacturer = x[0];

            string product = x[1];

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

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

​

            Console.WriteLine("Manufacturer: {0}, Product: {1}, Month: {2}, Year: {3}",manufacturer,product,month,year);

        }

        else

        {

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

        }

        //Q2

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

        string email = Console.ReadLine();

​

        if(email.Contains("@"))

        {

            string[] y = email.Split('@');

            if(y.Length == 2) 

            {

                string username = y[0];

                string domain = y[1];

​

                Console.WriteLine("Username: {0}, Domain: {1}",username,domain);

            }

            else

            {

                Console.WriteLine("Invalid email format!");

            }

        }

        else

        {

            Console.WriteLine("Invalid email! Email must contain '@' symbol.");

        }

​

    }

}