Pets

using System;

namespace Pets
{
    class Pets
    {
        static void Main(string[] args)
        {
            int day = int.Parse(Console.ReadLine());
            int leftFood = int.Parse(Console.ReadLine()); //kg
            double foodForDog = double.Parse(Console.ReadLine()); //kg
            double foodForCat = double.Parse(Console.ReadLine()); //kg
            double foodForTurtle = double.Parse(Console.ReadLine()); //gram
            double neededFoodsForDog = day * foodForDog;
            double neededFoodsForCat = day * foodForCat;
            double neededFoodsForTurtle = day * foodForTurtle / 1000;
            double sumFoodForAnimal = neededFoodsForDog + neededFoodsForCat + neededFoodsForTurtle;
            double result = Math.Abs(leftFood - sumFoodForAnimal);
            if (sumFoodForAnimal <= (double)leftFood) Console.WriteLine($"{Math.Floor(result)} kilos of food left.");
            else Console.WriteLine($"{Math.Ceiling(result)} more kilos of food are needed.");
        }
    }
}