public class Main {
    public static void main(String[] args) {
        int totalBoxes = 12;

        final int CONTAINER_CAPACITY = 27;
        final int CAR_CAPACITY = 12 * CONTAINER_CAPACITY; //in boxes

        for (int i = 0; i < totalBoxes; ) {
            if (isNewSpaceNeeded(i, CAR_CAPACITY)) {
                System.out.println("Car N " + countSpaceObjects(i, CAR_CAPACITY));
            }
            if (isNewSpaceNeeded(i, CONTAINER_CAPACITY)) {
                System.out.println("    Container N " + countSpaceObjects(i, CONTAINER_CAPACITY));
            }
            i++;
            System.out.println("        Box N " + i);

            if (i == totalBoxes) {
                System.out.println("Total cars needed " + (countSpaceObjects(i, CAR_CAPACITY) - (isNewSpaceNeeded(i, CAR_CAPACITY) ? 1 :
                        0)));
                System.out.println("Total containers needed " + (countSpaceObjects(i, CONTAINER_CAPACITY) - (isNewSpaceNeeded(i, CAR_CAPACITY) ? 1 :
                        0)));
                System.out.println("Total boxes  " + i);
            }
        }
    }

    private static boolean isNewSpaceNeeded(int items, int spaceCapacity) {
        return items % spaceCapacity == 0;
    }

    private static int countSpaceObjects(int items, int spaceCapacity) {
        return items / spaceCapacity + 1;
    }
}