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

class LoadTimeCalculator
{
    static void Main()
    {
        Console.WriteLine("This program reads a report of web sites and load times. After that it calculates the average load time for each URL.");
        Console.WriteLine("Please enter a report:");

        Dictionary<string, List<double>> dict = new Dictionary<string, List<double>>();
        string input = Console.ReadLine();

        while (input != string.Empty)
        {
            input = input.Substring(18);
            string [] splitted = input.Split(' ');

            if (!dict.Keys.Contains(splitted[0]))
            {
                dict.Add(splitted[0], new List<double> { double.Parse(splitted[1]) });
            }
            else
            {
                dict[splitted[0]].Add(double.Parse(splitted[1]));
            }

            input = Console.ReadLine();
        }

        Console.WriteLine("The average load time for each URL is:");

        foreach (var entry in dict)
        {
            Console.WriteLine("{0} -> {1}", entry.Key, entry.Value.Average());
        }

    }
}