using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Cookie Monster Software System");

        Console.WriteLine("(c) Ilya Basin");

        while(true)

        {

            Console.WriteLine();

            Console.WriteLine("I want cookie! Give me cookie: ");

            var item = Console.ReadLine();

            if (item.ToLower() == "cookie")

            {

                Console.WriteLine("Yum, yum, yum! I want more...");

            }

            else if (item.ToLower() == "poison")

            {

                Console.WriteLine("I am dead. Press enter");

                Console.ReadLine();

                break;

            }

            else if (item.ToLower() == "nothing")

            {

                Console.WriteLine("why are you giving me air");

            }

            else if (item.ToLower() == "lava")

            {

                Console.WriteLine("i am upgrading to lava cookie monster");

            }

            else if (item.ToLower() == "slime")

            {

                Console.WriteLine("barf!!! food posining");

            }   

            else if (item.ToLower() == "nuts")

            {

                Console.WriteLine("do i have nut allergies?");

            }

                else if (item.ToLower() == "you")

            {

                Console.WriteLine("i am canibalistic and dead press enter");

                Console.ReadLine();

                break;  

            }   else if (item.ToLower() == "cat food")

            {

                Console.WriteLine("MEOW!!!");

                }

            else 

            {

                Console.WriteLine("Not a cookie. Spitting out...");

            }

        }

    }

}