using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("how many days have you stayed?");

        int days = int.Parse(Console.ReadLine());

        if (days>5)

        {

        Console.WriteLine("the maximum is 5 days");

            days = int.Parse(Console.ReadLine());

        }

        Console.WriteLine("Enter hours of your first day");

        int hours = int.Parse(Console.ReadLine());

        if (hours>24)

        {

        Console.WriteLine("The maximum is 24 hours");

            hours = int.Parse(Console.ReadLine());

        }

        int bill = int.Parse(Console.WriteLine("bill for first day=" - hours ));

    }

}