Harvest

import java.util.Scanner;

public class Harvest {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        double xM2 = Double.parseDouble(scanner.nextLine());
        double yGrapeM2 = Double.parseDouble(scanner.nextLine());
        double zWine = Double.parseDouble(scanner.nextLine());
        double peopleWorks = Double.parseDouble(scanner.nextLine());

        double allGrape = xM2 * yGrapeM2;
        double allWine = (allGrape * 0.40) / 2.5;

        if (zWine > allWine) {
            double discount = zWine - allWine;
            System.out.printf("It will be a tough winter! More %.0f liters wine needed.",
                    Math.floor(discount));
        } else {
            double discount = allWine - zWine;
            double winePerson = discount / peopleWorks;
            System.out.printf("Good harvest this year! Total wine: %.0f liters.",
                    Math.floor(allWine));
            System.out.println();
            System.out.printf("%.0f liters left -> %.0f liters per person.",
                    Math.ceil(discount), Math.ceil(winePerson));
        }
    }
}