Harvest

using System;

namespace Exercises_03
{
    internal class Program
    {
        public static void Main(string[] args)
        {

            int areaGrapeField = int.Parse(Console.ReadLine());
            double graperPerSquareMeter = double.Parse(Console.ReadLine());
            int wantedLitersWine = int.Parse(Console.ReadLine());
            int workers = int.Parse(Console.ReadLine());

            double totalGrape = areaGrapeField * graperPerSquareMeter;
            double wineLiters = (0.4 * totalGrape) / 2.5;

            double difference = -1;
            double litersPerWorker = -1;

            if (wineLiters >= wantedLitersWine)
            {
                difference = wineLiters - wantedLitersWine;
                litersPerWorker = Math.Ceiling(difference / workers);

                Console.WriteLine($"Good harvest this year! Total wine: {Math.Floor(wineLiters)} liters.");

                Console.WriteLine($"{Math.Ceiling(difference)} liters left -> {litersPerWorker} liters per person.");
            }
            else
            {
                difference = Math.Floor(wantedLitersWine - wineLiters);

                Console.WriteLine($"It will be a tough winter! More {difference} liters wine needed.");
            }


        }
    }
}