OrderedBankAccounts

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

namespace OrderedBankingSystem
{
    class Program
    {
        static void Main(string[] args)
        {
            string input = Console.ReadLine();
            var data = new Dictionary<string, Dictionary<string, decimal>>();
            while (input != "end")
            {
                string[] inputTokens = input.Split(new string[]
            { " -> "}, StringSplitOptions.RemoveEmptyEntries);


                string bank = inputTokens[0];
                string account = inputTokens[1];
                decimal balance = decimal.Parse(inputTokens[2]);

                if (!data.ContainsKey(bank))
                {
                    data.Add(bank, new Dictionary<string, decimal>());
                }

                if (!data[bank].ContainsKey(account))
                {
                    data[bank].Add(account, 0);
                }

                data[bank][account] += balance;

            input = Console.ReadLine();
            }
            var orderedData = data.OrderByDescending
                (x => x.Value.Sum(accountData => accountData.Value))
                .ThenByDescending(bankData => bankData.Value.Values.Max());


            foreach (var bankData in orderedData)
            {
                string bank = bankData.Key;
                Dictionary<string, decimal> accountsData = bankData.Value;
                var orderedAccountsData = accountsData.OrderByDescending(d => d.Value);

                foreach (var accountData in orderedAccountsData)
                {
                    string account = accountData.Key;
                    decimal balance = accountData.Value;

                    Console.WriteLine($"{account} -> {balance} ({bank})");
                }
            }
        }
    }
}