LambadaExpressions

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace _1.LambadaExpressions
{
    class Program
    {
        static void Main(string[] args)
        {
            Dictionary<string, Dictionary<string, string>> lambadaExpressions = new Dictionary<string, Dictionary<string, string>>();

            string inputLine = Console.ReadLine();

            while (inputLine != "lambada")
            {
                string[] inputParams = inputLine.Split(new[] {' ', '=', '>', '.'}, StringSplitOptions.RemoveEmptyEntries);

                if (inputParams.Length > 1)
                {
                    string selector = inputParams[0];
                    string selectorObject = inputParams[1];
                    string property = inputParams[2];

                    if (!lambadaExpressions.ContainsKey(selector))
                    {
                        lambadaExpressions.Add(selector, new Dictionary<string, string>());
                    }

                    lambadaExpressions[selector][selectorObject] = property;
                }
                else
                {
                    lambadaExpressions = lambadaExpressions
                        .ToDictionary(selector => selector.Key, x => x.Value
                            .ToDictionary(selectorObject => selectorObject.Key,
                                selectorObject => selectorObject.Key + "." + selectorObject.Value));
                }

                inputLine = Console.ReadLine();
            }

            foreach (var selector in lambadaExpressions)
            {
                foreach (var selectorObject in selector.Value)
                {
                    Console.WriteLine("{0} => {1}.{2}", selector.Key, selectorObject.Key, selectorObject.Value);
                }
            }
        }
    }
}