using System;

public class Program

{

    public static void Main()

    {

        /* Variables Initilazation */

            double ticketPrice = 40.0;

            int ticketAmount;

            double totalPrice;

            double userPayment;

            double paymentDeviation;

            Console.WriteLine("Welcome to the cinema! Ticket price is = "+ticketPrice+" Shekel(s).");

            Console.WriteLine("How many ticket would you like to buy?");

        // Get user's amount, calculate total price

            ticketAmount = Convert.ToInt32(Console.ReadLine());

            totalPrice = ticketPrice * ticketAmount;

            Console.WriteLine("Your total price is = "+totalPrice);

        // Get user's payment

            Console.WriteLine("Please enter payment amount:");

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

        // Check user's payment

            if (userPayment == totalPrice) { // Equals

                Console.WriteLine("Payment complete. Thank you! Your "+ticketAmount+" tickets will be waiting for you at the box office.");

            }

            else if (userPayment < totalPrice){ // Lower

                paymentDeviation = totalPrice-userPayment;

                Console.WriteLine("Payment failed. Missing amount of "+paymentDeviation+" Shekel(s) to your payment.");

            }

            else { // Bigger

                paymentDeviation = userPayment - totalPrice;

                Console.WriteLine("Payment complete. Thank you! Your "+ticketAmount+" tickets will be waiting for you at the box office.");

                Console.WriteLine("You will receive back "+paymentDeviation+" Shekel(s) at the box office.");

            }

    }

}