using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

    }

    public class CustomerInformation 

    {

​

        //Reference number of a Customer. Typically a 1-6 digit integer.

        public int CustomerId  { get; set; }

​

        //Combination of a Customer's First and Last name. Max length 100 chars.

        public string CustomerName { get; set; }

​

        //Customers sign up date

        // ???? best way?

        public DateTime SignUp { get; set; }

​

        //Single letter grade that scores a Customer. Available options are A, B, C, D, N . The letter N means that there is No Score.

        public char CustomerGrade { get; set; }

​

        //A decimal which indicates how much a Customer is billed a month.

        public decimal CustomerMonthlyAmount { get; set; }

​

        //Reference number of a Sales Rep. Typically a 1-3 digit integer.

        public int SalesRepId { get; set; }

​

        //Reference number of a Tech. Typically a 1-3 digit integer.

        public int TechId { get; set; }

​

        //Combination of Customers address.

        public int CustomerAddress { get; set; }

​

        //Need to add a list of equipment codes

        //???? Best way?

        public List<int> Equipment {get; set; }

​

    }

}