ProgBasicsJavaBook3.2SimpleConditions04Harvest

import java.util.Scanner;

public class Main {

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

        int squareMetersGrapesX = Integer.parseInt(scanner.nextLine());
        double grapesPerSquareMeterY = Double.parseDouble(scanner.nextLine());
        int neededLitresWineZ = Integer.parseInt(scanner.nextLine());
        int workers = Integer.parseInt(scanner.nextLine());

        double harvestPerWine = squareMetersGrapesX * grapesPerSquareMeterY * 0.40;
        double wine = harvestPerWine / 2.5;

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


    }
}