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

namespace AppendArrays
{
    class Program
    {
        static void Main(string[] args)
        {
            List<string> initialSequence = Console.ReadLine().Split('|', StringSplitOptions.RemoveEmptyEntries).ToList();

            List<List<double>> lists = FormLists(initialSequence);
            PrintLists(lists);
        }

        static List<List<double>> FormLists(List<string> initialSequence)
        {
            List<List<double>> lists = new List<List<double>>();

            for (int i = 0; i < initialSequence.Count; i++)
            {
                lists.Add(initialSequence[i].Split(' ', StringSplitOptions.RemoveEmptyEntries).Select(double.Parse).ToList());
            }

            return lists;
        }

        static void PrintLists(List<List<double>> lists)
        {
            for (int i = lists.Count - 1; i >= 0; i--)
            {
                Console.Write(string.Join(' ', lists[i]) + " ");
            }
        }
    }
}