using System;

public class Program

{

    public static void Main()

    {

        //Q1

        string strItemCode = "sony-dvd-062019";

        //Split code

        string[] strCode;

        strCode = strItemCode.Split('-');

        Console.WriteLine("Manufacturer: " +strCode[0]);

        Console.WriteLine("Product: " +strCode[1]);

        Console.WriteLine("Month: " +strCode[2].Substring(0,2));

        Console.WriteLine("Year: "+strCode[2].Substring(2));

        Console.WriteLine("==============================");

        //Q2

        Console.WriteLine("Please enter an email address");

        string strEmail = Console.ReadLine();

        if (strEmail.Contains("@") == false)

        {

            Console.WriteLine("Error. Invalid Input");

            return;

        }

        int intA;

        intA = strEmail.IndexOf("@");

        string strUser, strDomain;

        strUser = strEmail.Substring(0, intA);

        strDomain = strEmail.Substring(intA+1);

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

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

    }

}