using System;
using System.Collections.Generic;
using System.Text;

namespace TestConsole
{
	public class PdaItem
	{
		public string Name
		{
			get
			{ return _Name; }
			set
			{ _Name = value; }
		}
		private string _Name;

		public string DateTimeLastUpdate
		{
			get
			{ return _DateTimeLastUpdate; }
			set
			{ _DateTimeLastUpdate = value; }
		}
		private string _DateTimeLastUpdate;
		// Define the Contact class as inheriting the PdaItem class
		public class Contact : PdaItem
		{
			public string Address
			{
				get { return _Address; }
				set { _Address = value; }
			}
			private string _Address;

			public string Phone
			{
				get { return _Phone; }
				set { _Phone = value; }
			}
			public string _Phone;
		}
	}

	public class Program
	{
		public static void Main()
		{
			PdaItem.Contact contact = new PdaItem.Contact();
			contact.Name = "";
			contact.Address = "";
			contact.Phone = "";
			contact.DateTimeLastUpdate = "";

			Console.WriteLine("Name: {0}", contact.Name);
			Console.WriteLine("Address: {0}", contact.Address);
			Console.WriteLine("Phone: {0}", contact.Phone);
			Console.WriteLine("Last Update: {0}", contact.DateTimeLastUpdate);
		}
	}
}