Ranking - Dictionaries

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


public class Program
{
	public static void Main()
	{
		Dictionary <string, Dictionary<string,int>> userContestPoints = new Dictionary<string, Dictionary<string,int>>();
		Dictionary <string,string> contestPass = new Dictionary<string,string>();

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

			if (command == "end of contests")
			{
				break;
			}

			string[] tokens = command.Split(':');

			string contest = tokens[0];
			string pass = tokens[1];

			if (!contestPass.ContainsKey(contest))
			{
				contestPass.Add(contest,pass);
			}
		}

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

			if (command == "end of submissions")
			{
				break;
			}

			string[] tokens = command.Split("=>");
			string contest = tokens[0];
			string pass = tokens[1];
			string username = tokens[2];
			int points = int.Parse(tokens[3]);

			if (contestPass.ContainsKey(contest))
			{
				if (contestPass[contest]==pass)
				{
					if (!userContestPoints.ContainsKey(username))
					{
						userContestPoints.Add(username,new Dictionary<string,int>());
						userContestPoints[username].Add(contest,points);
					}
					else if (userContestPoints.ContainsKey(username)==true && userContestPoints[username].ContainsKey(contest)==false)
					{
						userContestPoints[username].Add(contest,points);
					}
					else if (userContestPoints.ContainsKey(username)==true && userContestPoints[username].ContainsKey(contest)==true)
					{
						if (points> userContestPoints[username][contest])
						{
							userContestPoints[username][contest] =points;
						}
					}
				}
			}
		}

		string bestUser = string.Empty;
		int bestPoints =0;
		int pointsTotal=0;

		foreach (var kvp in userContestPoints)
		{
			string name = kvp.Key;

			foreach (var inner in kvp.Value)
			{
				pointsTotal += inner.Value;
			}
			if (pointsTotal>bestPoints)
			{
				bestPoints = pointsTotal;
				bestUser = name;
			}
			pointsTotal=0;
		}
		Console.WriteLine("Best candidate is {0} with total {1} points.",bestUser,bestPoints);
		Console.WriteLine("Ranking:");

		foreach (var currKvp in userContestPoints.OrderBy(x=>x.Key))
		{
			Console.WriteLine(currKvp.Key);

			foreach (var innerKvp in currKvp.Value.OrderByDescending(x=>x.Value))
			{
				Console.WriteLine("#  {0} -> {1}",innerKvp.Key,innerKvp.Value);
			}
		}

	}
}