using System;

public class Program

{

    public static void Main()

    {

        //Q1 (4 pts)

​

        // Assume you have the following item code: string strItemCode = "sony-dvd-062019"

        // The item code for a particular wholesaler is a combination of things including the Manufacturer Code, the Product Number, and the Month & Year produced. The parts of the item code are separated by “-“.

        // So given any item code in the format above, your program will display the Manufacturer Code, the Product Code, the Month, and Year when the item was manufactured. (1 point each)

        // Output example=> Manufacturer: sony, Product:dvd, month: 06, year: 2019 (Hint: Use Split(), and Substring() function)

        string strItemCode = "sony-dvd-062019";

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

        // Console.WriteLine(strArray[0);

        string strManufacturer= strArray[0];

        // Console.WriteLine(strArray[1]);

        string strProduct= strArray[1];

        // Console.WriteLine(strArray[2]);

        string strMonthYear = strArray[2];

        // Console.WriteLine(strMonthYear.Substring(0,2));

        string strMonth = strMonthYear.Substring(0,2);

        // Console.WriteLine(strMonthYear.Substring(2));

        string strYear = strMonthYear.Substring(2);

        // Report

        Console.WriteLine("Manufacturer: {0}", strManufacturer);

        Console.WriteLine("Product: {0}", strProduct);

        Console.WriteLine("Manufactured: Month= {0}, Year= {1}", strMonth, strYear);

        // Q2 (2 pts)

        // Accepts an email address (a string) from the user.

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

            string strEmail = Console.ReadLine();

        // Check whether this is a valid email or not. A valid email always contains an “@”. If a user types an invalid email, you should show a warning message and stop the program.

            int iAtIndex = strEmail.IndexOf("@");

            if (iAtIndex < 0)

                Console.WriteLine("Error: Not a valid email address!");

            else

            {

            // Print out the user name and domain. (Hint: Use IndexOf() function)

                string strUserName = strEmail.Substring(0, iAtIndex);

                string strDomain = strEmail.Substring(iAtIndex + 1);

                Console.WriteLine("UserName = {0}", strUserName);

                Console.WriteLine("Domain = {0}", strDomain);

            }

    }

}