public static void Main()
string strItemCode = "sony-dvd-062019";
myEntry = strItemCode.Split('-');
string strDate = myEntry[2];
string strMonth = strDate.Substring(0,2);
string strYear = strDate.Substring(2,4);
Console.WriteLine("Manufacturer: " + myEntry[0]);
Console.WriteLine("Product: " + myEntry[1]);
Console.WriteLine("Month: " + strMonth);
Console.WriteLine("Year: " + strYear);
Console.WriteLine("Enter your email address: ");
string stremail = Console.ReadLine();
int intStringSize = stremail.Length;
int intAtSign = stremail.IndexOf("@");
if (intAtSign <= 0 || stremail.EndsWith("@"))
Console.WriteLine("Please enter a valid email address.");
string strUsername = stremail.Substring(0, intAtSign);
int intstartIndex = intAtSign + 1;
int intlength = intStringSize - intstartIndex;
string strDomain = stremail.Substring(intstartIndex, intlength);
Console.WriteLine("Username: " + strUsername);
Console.WriteLine("Domain: " + strDomain);