Deer of Santa

using System;

namespace dwdwdwdwDD
{
    class Program
    {
        static void Main(string[] args)
        {
            var days = int.Parse(Console.ReadLine());
            var kgFood = double.Parse(Console.ReadLine());
            var oneDeer = double.Parse(Console.ReadLine());
            var twoDeer = double.Parse(Console.ReadLine());
            var threeDeer = double.Parse(Console.ReadLine());

            double foodAll = (oneDeer + twoDeer + threeDeer) * days;

            kgFood = kgFood - foodAll;

            if (kgFood >= 0)
            {
                kgFood = Math.Floor(kgFood);
                Console.WriteLine($"{kgFood} kilos of food left.");
            }
            else
            {
                kgFood = Math.Abs(kgFood);
                kgFood = Math.Ceiling(kgFood);
                Console.WriteLine($"{kgFood} more kilos of food are needed.");
            }
        }
    }
}