Harvest - Antonia (clear code)

using System;

class Program
{
    static void Main()
    {
        int x = int.Parse(Console.ReadLine());          // ==\\
        decimal y = decimal.Parse(Console.ReadLine());  //    ===> complex names are unnecessary
        int z = int.Parse(Console.ReadLine());          // ==//
        int workers = int.Parse(Console.ReadLine());

        decimal wine = x * 0.4m * y / 2.5m;
        decimal wineleft = Math.Abs(wine - z); // fist calculating remainding wine
        decimal wineworker = wineleft / workers; // then wineworkers

        if (wine >= z) // not (wine > z)
        {
            Console.WriteLine("Good harvest this year! Total wine: {0} liters.",
                Math.Floor(wine)); // not Math.Ceiling()

            Console.WriteLine("{0} liters left -> {1} liters per person.",
                Math.Ceiling(wineleft), Math.Ceiling(wineworker)); // not Math.Floor()
        }
        else // just else - without condition
        {
            Console.WriteLine("It will be a tough winter! More {0} liters wine needed.",
                Math.Floor(wineleft)); // not Math.Round()
        }
        // no need return at the end
    }
}