05. Birthday party

using System;

namespace Nums1_10
{
    class Program
    {
        static void Main(string[] args)
        {
            double rent = double.Parse(Console.ReadLine());

            double cakePrice = rent * 0.20;
            double drinksPrice = (cakePrice / 100) * 55;
            double animatorPrice = rent / 3;
            double finalPrice = rent + cakePrice + drinksPrice + animatorPrice;

            Console.WriteLine(finalPrice);




        }
    }
}