using System;

                    /* LLAMIS, MARK M. */

public class Program

{

    public static void Main()

    {

        String order;

        Double t = 0;

        Double cash;

        Double change;

        Console.WriteLine("*** SINTANG KAN ANAN  ***");

        Console.WriteLine("Menu of the Day:");

        Console.WriteLine("[1] Kare-Kare        -- 25.00"); 

        Console.WriteLine("[2] Ginataang Gata   -- 10.00"); 

        Console.WriteLine("[3] Humba            -- 40.00"); 

        Console.WriteLine("[4] Dinuguan         -- 15.00"); 

        Console.WriteLine("[5] Rice             -- 10.00"); 

        Console.WriteLine("[6] Softdrinks       -- 12.00");

        Console.WriteLine("[x] Check Out and Payment");

        for (int i=0; i<=1; i++){

           Console.WriteLine("Enter menu # of your choice: ");

           order = Convert.ToString(Console.ReadLine());

           if (order.Equals("1")){

               t += 25;

               i=0;

           }else if(order.Equals("2")){

               t += 10;

               i=0;

           }else if(order.Equals("3")){

               t += 40;

               i=0;

           }else if(order.Equals("4")){

               t += 15;

               i=0;

           }else if(order.Equals("5")){

               t += 10;

               i=0;

           }else if(order.Equals("6")){

               t += 12;

               i=0;

           }else if(order.Equals("x")){

            Console.WriteLine("Please Pay: P"+t);

    for (int e=0; e<=1; e++)

    {          

            Console.WriteLine("Enter Cash:");

            cash = Convert.ToDouble(Console.ReadLine());

               if(cash > t){

                   change = cash - t;

                   Console.WriteLine("Your Change: P"+change);

                   Console.WriteLine("");

                   Console.WriteLine("THANK YOU!!");

               }else{

                   Console.WriteLine("Invalid Amount!!");

                   Console.WriteLine("");

                   e=0;

               }

    }

           }else{

            Console.WriteLine("Not in the choices, Try again");

            Console.WriteLine("");

               i=0;

           }

       }

    }

}