class Program
{
    delegate string Func();

    static void Main(string[] args)
    {
        var Dict = new System.Collections.Generic.Dictionary<string, Func>();

        Dict["Apple"] = new Func(Apple);
        Dict["Google"] = new Func(Google);
        Dict["IBM"] = new Func(IBM);

        string cmd;
        while ("exit" != (cmd = System.Console.ReadLine()))
        {
            if (Dict.ContainsKey(cmd))
                System.Console.WriteLine(Dict[cmd]());
        }
    }

    static string Apple() { return "Apple()"; }
    static string Google() { return "Google()"; }
    static string IBM() { return "IBM()"; }
}