using System;

public class Program

{

    public static void Main()

    {

    //Q1

//define strings

string strItemCode = "sony-dvd-062019";

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

//breaK down parts

string manufacturerCode = breakdown[0];

string productCode = breakdown[1];

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

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

//write finished product

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

​

//Q2

Console.Write("Please type an email address");

string emailAddress = Console.ReadLine();

​

if (emailAddress.Contains("@"))

{

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

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

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

​

Console.WriteLine("the username is" +userName+ " the domain is" + domain);

​

​

}

​

Console.WriteLine("Invalid email address.");

 return;

    }

}