03. Harvest

import java.util.Scanner;

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

        int landArea = Integer.parseInt(myScan.nextLine());
        double grapesPerSqMeter = Double.parseDouble(myScan.nextLine());
        int wineForSale = Integer.parseInt(myScan.nextLine());
        int workers = Integer.parseInt(myScan.nextLine());

        double producedGrapes = landArea * grapesPerSqMeter;
        double producedWine = ( producedGrapes * 0.4 )/ 2.5;

        if ( producedWine < wineForSale) {
            double wineShortage = wineForSale - producedWine;
            System.out.printf("It will be a tough winter! More %d liters wine needed.", (int)wineShortage);

        } else {
            double wineExceed = producedWine - wineForSale;
            double winePerWorker = wineExceed / workers;
            System.out.printf("Good harvest this year! Total wine: %d liters.\n", (int)producedWine);
            System.out.printf("%d liters left -> %d liters per person.", (int)Math.ceil(wineExceed), (int)Math.ceil(winePerWorker));

        }


    }
}