Append Lists - Linq solution

using System;
using System.Collections.Generic;
using System.Linq;
namespace sad
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.WriteLine(string.Join(" ", Console.ReadLine()
                .Split('|')
                .Reverse()
                .Select(s=>string.Join(" ",s.Split(new char[] { ' ' },
                StringSplitOptions.RemoveEmptyEntries)))));
        }
    }
}