01. Train

using System;
using System.Collections.Generic;
using System.Linq;

namespace Train
{
    class Program
    {
        static void Main(string[] args)
        {
            List<int> wagoons = Console.ReadLine()
                .Split(' ', StringSplitOptions.RemoveEmptyEntries)
                .Select(int.Parse)
                .ToList();

            int capacity = int.Parse(Console.ReadLine());
            string[] command = Console.ReadLine()
                .ToLower()
                .Split(' ', StringSplitOptions.RemoveEmptyEntries)
                .ToArray();

            while (command[0] != "end")
            {
                if (command.Length == 2)
                {
                    switch (command[0])
                    {
                        case "add":
                            wagoons.Add(wagoons.Count + 1);
                            wagoons[wagoons.Count - 1] = int.Parse(command[1]);
                            break;
                    }
                }
                else
                {
                    for (int i = 0; i < wagoons.Count; i++)
                    {
                        int sum = wagoons[i] + int.Parse(command[0]);

                        if (sum <= capacity)
                        {
                            wagoons[i] = sum;
                            break;
                        }
                    }
                }
                command = Console.ReadLine()
                   .ToLower()
                   .Split(' ', StringSplitOptions.RemoveEmptyEntries)
                   .ToArray();
            }
            Console.WriteLine(string.Join(" ", wagoons));
        }
    }
}