using System;

public class Program

{

    public static void Main()

    {

        // Should to break into the function with 1 input param, then in main just call the function to use

        int bottle = 26; // Should input instead of define variable

        int totalBottle = 0;

        while (bottle >= 10) {

            totalBottle = totalBottle + (bottle / 10) * 10; // Calculate empty bottle number after divide 10 

            bottle = bottle % 10 + bottle / 10 * 3; // Calculate the remain bottle 

        }

        totalBottle = totalBottle + bottle;

        Console.WriteLine("Total Bottle: {0}", totalBottle);

    }

}