01.Rapid Courier

import java.util.ArrayDeque;
import java.util.Deque;
import java.util.Scanner;

public class Help {

    public static void main(String[] args) {

        Scanner scanner = new Scanner(System.in);


        // Read packages
        String[] packageInput = scanner.nextLine().split(" ");
        Deque<Integer> packages = new ArrayDeque<>();
        for (String weight : packageInput) {
            packages.add(Integer.parseInt(weight));
        }

        // Read couriers
        String[] couriersInput = scanner.nextLine().split(" ");
        Deque<Integer> couriers = new ArrayDeque<>();
        for (String capacity : couriersInput) {
            couriers.add(Integer.parseInt(capacity));
        }

        int totalWeight = 0;

        // Process deliveries
        while (!packages.isEmpty() && !couriers.isEmpty()) {
            int currentPackage = packages.peekLast();
            int currentCourier = couriers.peekFirst();

            if (currentCourier >= currentPackage) {
                // Courier can deliver the package
                totalWeight += currentPackage;
                packages.pollLast();
                couriers.pollFirst();

                int newCapacity = currentCourier - 2 * currentPackage;
                if (newCapacity > 0) {
                    couriers.addLast(newCapacity);
                }
            } else {
                // Courier cannot deliver the package fully
                totalWeight += currentCourier;
                int remainingPackageWeight = currentPackage - currentCourier;
                packages.pollLast();
                packages.addLast(remainingPackageWeight);
                couriers.pollFirst();
            }
        }

        // Output results
        System.out.println("Total weight: " + totalWeight + " kg");

        if (packages.isEmpty() && couriers.isEmpty()) {
            System.out.println("Congratulations, all packages were delivered successfully by the couriers today.");
        } else if (!packages.isEmpty() && couriers.isEmpty()) {
            System.out.print("Unfortunately, there are no more available couriers to deliver the following packages: ");
            printDeque(packages);
        } else if (packages.isEmpty() && !couriers.isEmpty()) {
            System.out.print("Couriers are still on duty: ");
            printDeque(couriers);
            System.out.println(" but there are no more packages to deliver.");
        }

        scanner.close();
    }

    // Helper method to print elements of a deque
    private static void printDeque(Deque<Integer> deque) {
        boolean first = true;
        while (!deque.isEmpty()) {
            if (!first) {
                System.out.print(", ");
            }
            System.out.print(deque.pollFirst());
            first = false;
        }
        System.out.println();
    }
}