/*
 * C# Program to Implement PhoneBook
 */
using System;
using System.Collections;
using System.IO;
class PhoneBook
{

    static void Main(string[] arg)
    {
        Hashtable tab = new Hashtable();
        string fileName;
        if
        {
            (arg.Length > 0) fileName = arg[0];
            }
        else
            {
                fileName = "phoneBook.txt";
            }
        StreamReader r = File.OpenText(fileName);
        string line = r.ReadLine();
        while (line != null)
            {
                int pos = line.IndexOf('=');
                string name = line.Substring(0, pos).Trim();
                long phone = Convert.ToInt64(line.Substring(pos + 1));
                tab[name] = phone;
                line = r.ReadLine();
            }
        r.Close();
        for (; ; )
            {
                Console.Write("Name : ");
                string name = Console.ReadLine().Trim();
                if (name == "")
                    break;
                object phone = tab[name];
                if (phone == null)
                    Console.WriteLine("-- Not Found in Phone Book");
                else
                    Console.WriteLine(phone);
            }
    }
}

/*
Name : Ram
9999945670
Name : Raj
-- Not Found in Phone Book