2017_19_March_E_Styrofoam

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Styrofoam
{
    class Program
    {
        static void Main(string[] args)
        {
            var budget = double.Parse(Console.ReadLine());
            var areaHouse = double.Parse(Console.ReadLine());
            var windows = double.Parse(Console.ReadLine());
            var styroFoam = double.Parse(Console.ReadLine());
            var pricePackd = double.Parse(Console.ReadLine());

            var areaToCover = (areaHouse - windows * 2.4)*1.1;
            var neededPacked = Math.Ceiling(areaToCover / styroFoam);
            var price = neededPacked * pricePackd;


            if (price<=budget)
            {
                Console.WriteLine("Spent: {0:f2}", price);
                Console.WriteLine("Left: {0:f2}", budget -price);
            }

         else
            {
                Console.WriteLine("Need more: {0:f2}", price-budget);
            }
        }
    }
}