muti

using System;
using System.Collections.Generic;
using System.Linq;
using System.Security.Cryptography.X509Certificates;
using System.Text;
using System.Threading.Tasks;

namespace _07.PopulationCounter
{
    class PopulationCounter
    {
        static void Main(string[] args)
        {
            string input = Console.ReadLine();
            var outPut = new Dictionary<string, Dictionary<string, decimal>>();
            while (input != "report")
            {
                var cities = input.Split(new char[] { '|' }, StringSplitOptions.RemoveEmptyEntries).ToList();

                string country = cities[1];
                string city = cities[0];
                int population = int.Parse(cities[2]);
                if (outPut.ContainsKey(cities[1]))
                {
                    outPut[country].Add(city, population);

                }
                else
                {
                    outPut.Add(country, new Dictionary<string, decimal>());
                    outPut[country].Add(city, population);
                }
                input = Console.ReadLine();
            }

            foreach (var oPair in outPut.OrderByDescending(d => d.Value.Values.Sum()))
            {
                Console.WriteLine("{0} (total population: {1})", oPair.Key, oPair.Value.Values.Sum());
                foreach (var item in oPair.Value.OrderByDescending(x => x.Value))
                {
                    Console.WriteLine("=>{0}: {1}", item.Key, item.Value);
                }
            }
        }
    }
}