using System;

public class Program

{

    public static void Main()

    {

        //Q1

        Console.Write("Please enter a item code (e.g. sony-dvd-062019): ");

        string strItemCode = Console.ReadLine();

        //string strItemCode = "sony-dvd-062019";

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

        Console.WriteLine("Manufacturer: {0}, Product: {1}, month: {2}, year: {3}",strArray[0],strArray[1],strArray[2].Substring(0,2),strArray[2].Substring(2));

        //Q2

        Console.Write("Please enter a email address: ");

        string email = Console.ReadLine();

        //validation

        bool isValid = email.Contains("@");

        if(!isValid){

            Console.WriteLine("Warning: You did not enter a valid email address!");

            return;

        }

        int index = email.IndexOf("@");

        string username = email.Substring(0,index);

        string domain = email.Substring(index+1);

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

    }

}