08. Basketball Equipment

using System;

namespace BasketballEquipment

{
    class Program
    {
        static void Main()
        {
            int tuitionFee = int.Parse(Console.ReadLine());

            double shoesPrice = tuitionFee * 0.6;
            double teamClothes = shoesPrice * 0.8;
            double ball = teamClothes / 4;
            double accessories = ball / 5;

            double sum = tuitionFee + shoesPrice + teamClothes + ball + accessories;

            Console.WriteLine(sum);
        }
    }
}