תרגילי חזרה, שאלה 2

using System;

namespace TestExample28112021
{
    class Program
    {
        static void Main(string[] args)
        {
            PhoneBook book;
            book = new PhoneBook();

            for (int i = 0; i < 15; i++)
            {
                string name, city;
                int phone;

                Console.Write("enter contact name: ");
                name = Console.ReadLine();
                Console.Write("enter contact city: ");
                city = Console.ReadLine();
                Console.Write("enter contact phone: ");
                phone = Convert.ToInt32(Console.ReadLine());
                //phone = int.Parse(Console.ReadLine());

                Contact contact = new Contact(name, phone, city);
                book.add(contact);
            }
            Console.WriteLine("Number of contacts from haifa is {0}", book.count("Haifa"));
        }
    }
}