Zad4

            int x = int.Parse(Console.ReadLine());
            double y = double.Parse(Console.ReadLine());
            int z = int.Parse(Console.ReadLine());
            int n = int.Parse(Console.ReadLine());


            double totalWine = 0.4 * x * y / 2.5;
            if(totalWine >= z)
            {
                Console.WriteLine($"Good harvest this year! Total wine: {(int)Math.Floor(totalWine)} liters.");
                int leftOutWine = (int)Math.Ceiling(totalWine - z);
                int winePerWorker = (int)Math.Ceiling((double)leftOutWine / n);
                Console.WriteLine($"{leftOutWine} liters left -> {winePerWorker} liters per person.");
            }
            else
            {
                Console.WriteLine($"It will be a tough winter! More {(int)Math.Floor(z - totalWine)} liters wine needed.");
            }