Deer of Santa

using System;

namespace DeerOfSanta
{
    class Program
    {
        static void Main(string[] args)
        {
            int days = int.Parse(Console.ReadLine());
            double foods = double.Parse(Console.ReadLine());
            double deer1 = double.Parse(Console.ReadLine());
            double deer2 = double.Parse(Console.ReadLine());
            double deer3 = double.Parse(Console.ReadLine());

            double neededFood = (deer1 + deer2 + deer3) * days;

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