Exam 17-Jul-2016 - 02. Harvest

/**
 * Project: Exam_17_July_2016 - created by borkins on 2017-05-16.
 */

import java.util.Scanner;

public class _02_Harvest
{
    public static void main(String[] args)
    {
        Scanner console = new Scanner(System.in);

        int area = Integer.parseInt(console.nextLine());
        double grapesSqM = Double.parseDouble(console.nextLine());
        double wineNeeded = Double.parseDouble(console.nextLine());
        int workers = Integer.parseInt(console.nextLine());

        double totalGrapes = area * grapesSqM;
        double wine = 0.4 * totalGrapes / 2.5;
        double diffWine = Math.abs(wine - wineNeeded);

        if (wine >= wineNeeded)
        {
            System.out.printf("Good harvest this year! " +
                              "Total wine: %d liters.%n", (int) wine);
            System.out.printf("%d liters left -> %d liters per person.",
                              (int) Math.ceil(diffWine),
                              (int) Math.ceil(diffWine / workers));
        }
        else {
            System.out.printf("It will be a tough winter! " +
                              "More %d liters wine needed.%n", (int) diffWine);
        }
    }
}