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


namespace AppendLists_Lab2
{
    public class AppendLists_Lab2
    {
        public static void Main()
        {
            var input = Console.ReadLine()
                .Split('|')
                .ToList();

            List<string> result = new List<string>();

            List<string> temp = new List<string>();

            for (int i = input.Count - 1; i >= 0; i--)
            {
                temp = new List<string>(input[i].Split(' ').ToList());

                for (int j = 0; j < temp.Count; j++)
                {
                    if (temp[j].Length > 0)
                    {
                        temp.RemoveAt(j);
                    }
                }

                result.AddRange(temp);
            }
            foreach (var item in result)
            {
                Console.Write(item + " ");
            }
        }
    }
}