10.TheLift

package Uprajneniq;

import java.util.Scanner;

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

        int peopleInQueue = Integer.parseInt(scanner.nextLine());
        String[] liftState = scanner.nextLine().split(" ");
        int[] wagons = new int[liftState.length];
        for (int i = 0; i < liftState.length; i++) {
            wagons[i] = Integer.parseInt(liftState[i]);
        }

        for (int i = 0; i < wagons.length; i++) {
            while (wagons[i] < 4 && peopleInQueue > 0) {
                wagons[i]++;
                peopleInQueue--;
            }
        }

        if (peopleInQueue == 0 && hasEmptySpots(wagons)) {
            System.out.println("The lift has empty spots!");
        } else if (peopleInQueue > 0 && !hasEmptySpots(wagons)) {
            System.out.printf("There isn't enough space! %d people in a queue!%n", peopleInQueue);
        }

        printWagons(wagons);
    }

    private static boolean hasEmptySpots(int[] wagons) {
        for (int wagon : wagons) {
            if (wagon < 4) {
                return true;
            }
        }
        return false;
    }

    private static void printWagons(int[] wagons) {
        for (int wagon : wagons) {
            System.out.print(wagon + " ");
        }
    }
}