02. Harvest

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

namespace Harvest
{
    class Harvest
    {
        static void Main(string[] args)
        {
            var x = double.Parse(Console.ReadLine());
            var y = double.Parse(Console.ReadLine());
            var z = double.Parse(Console.ReadLine());
            var workers = double.Parse(Console.ReadLine());
            double totalGrozde = x * y;
            double vino = 0.40 * totalGrozde / 2.5;
            if (vino >= z)
            {
                Console.WriteLine("Good harvest this year! Total wine: {0} liters.", Math.Floor(vino));
                Console.WriteLine("{0} liters left -> {1} liters per person.", Math.Ceiling((vino - z)), Math.Ceiling((vino-z)/workers));
            }
            else
            {
                Console.WriteLine("It will be a tough winter! More {0} liters wine needed.", Math.Floor(z-vino));
            }


        }
    }
}