using System;

public class Program

{

    public static void Main()

    {

        float cookies = 0;

        bool cookiesCheck = true;

        float multiplier = 1;

        bool check = false;

        Console.WriteLine("press  c to collect cookies...");

        Console.WriteLine("press u to upgrade when you have 100 cookies..");

        Console.WriteLine("");

        if (cookiesCheck){

        Console.WriteLine("you have " + cookies + " cookies");

            string click = (Console.ReadLine());

            switch(click)

        {

            case "c":

                cookies += multiplier;

                    check = true;

                break;

        }//switch

            cookiesCheck = false;

        }//if

        if(check)

        {

            cookiesCheck = true;

        }

    }//void

}