Travel Map

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

namespace _04TravelMap
{
    class Program
    {
        static void Main(string[] args)
        {
            Dictionary<string, Dictionary<string, int>> countryTownCost = new Dictionary<string, Dictionary<string, int>>();

            while (true)
            {
                string command = Console.ReadLine();

                if(command == "END")
                {
                    break;
                }

                string[] tokens = command.Split(" > ");
                string country = tokens[0];
                string town = tokens[1];
                int price = int.Parse(tokens[2]);

                if(!countryTownCost.ContainsKey(country))
                {
                    countryTownCost.Add(country, new Dictionary<string, int>());
                    countryTownCost[country].Add(town, price);
                }
                else if (countryTownCost.ContainsKey(country)==true && countryTownCost[country].ContainsKey(town)==false)
                {
                    countryTownCost[country].Add(town, price);
                }
                else if (countryTownCost.ContainsKey(country) == true && countryTownCost[country].ContainsKey(town) == true)
                {
                    if(price< countryTownCost[country][town])
                    {
                        countryTownCost[country][town] = price;
                    }
                }
            }

            foreach (var kvp in countryTownCost.OrderBy(x=>x.Key))
            {
                string countryName = kvp.Key;

                Console.Write(countryName + " -> ");

                foreach (var inner in kvp.Value.OrderBy(x=>x.Value))
                {
                    Console.Write($"{inner.Key} -> {inner.Value} ");
                }
                Console.WriteLine();
            }
        }
    }
}