BasketballEquipment

using System;

namespace _08.BasketballEquipment
{
    internal class Program
    {
        static void Main(string[] args)
        {
            double yearPayment = double.Parse(Console.ReadLine());

            double priceForSneakers = yearPayment * 0.6;
            double priceForOutfit = priceForSneakers - (priceForSneakers * 0.2);
            double priceForBall = priceForOutfit / 4;
            double priceForAccesoares = priceForBall / 5;

            double allSum = priceForSneakers + priceForOutfit + priceForBall + priceForAccesoares + yearPayment;

            Console.WriteLine(allSum);
        }
    }
}