Cat Diet

using System;

namespace CatDiet
{
    class Program
    {
        public static void Main()
        {
            int fats = int.Parse(Console.ReadLine());
            int proteins = int.Parse(Console.ReadLine());
            int carbohydrates = int.Parse(Console.ReadLine());
            double calories = int.Parse(Console.ReadLine());
            int water = int.Parse(Console.ReadLine());

            double caloriesPerGram = (100 - water) * (calories / (calories * fats / 9
                + calories * proteins / 4 + calories * carbohydrates / 4));
            Console.WriteLine($"{caloriesPerGram:f4}");
        }
    }
}