02. The Lift

using System;
using System.Linq;

namespace TheLift
{
    class Program
    {
        static void Main(string[] args)
        {
            int people = int.Parse(Console.ReadLine());

            int[] wagons = Console.ReadLine()
                .Split(" ", StringSplitOptions.RemoveEmptyEntries)
                .Select(int.Parse)
                .ToArray();

            for (int i = 0; i < wagons.Length; i++)
            {
                for (int j = wagons[i]; j < 4; j++)
                {
                    if (people == 0)
                    {
                        break;
                    }
                    wagons[i]++;
                    people--;
                }
            }

            if (wagons[wagons.Length - 1] < 4)
            {
                Console.WriteLine("The lift has empty spots!");
            }
            else if (people > 0)
            {
                Console.WriteLine($"There isn't enough space! {people} people in a queue!");
            }
            Console.WriteLine(string.Join(" ", wagons));
        }
    }
}