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

namespace MentorGroup
{
    public class Student
    {
        public string Name { get; set; }
        public List<DateTime> Date { get; set; }
        public List<string> Comments { get; set; }
    }

    class MainClass
    {
        public static void Main(string[] args)
        {
            List<Student> studentList = new List<Student>();
            List<DateTime> dates = new List<DateTime>();
            Student student = new Student();

            string input = Console.ReadLine();

            while (input != "end of dates")
            {
                 var line = input.Split(new char[] { ' ' },
                                    StringSplitOptions
                                    .RemoveEmptyEntries);

                string name = line[0];
                student.Name = name;

                if (line.Length > 1)
                {
                    var dateString = line[1].Split(',').ToList();


                    foreach (var item in dateString)
                    {
                        dates.Add(DateTime.ParseExact(item, "dd/MM/yyyy",
                                                      CultureInfo
                                                      .InvariantCulture));
                    }

                    student.Date = dates;
                }
                studentList.Add(student);
                dates = new List<DateTime>();
                student = new Student();

                input = Console.ReadLine();
            }

            string comments = Console.ReadLine();

            while (comments != "end of comments")
            {
                var arguments = comments.Split('-');
                var commentName = arguments[0];
                var commentNew = arguments[1];

                foreach (var s in studentList)
                {
                    if (s.Name == commentName)
                    {
                        if (s.Comments == null)
                        {
                            s.Comments = new List<string>();
                            s.Comments.Add(commentNew);
                        }
                        else
                        {
                            s.Comments.Add(commentNew);
                        }
                    }
                }
                comments = Console.ReadLine();
            }

            List<Student> sorted = studentList.OrderBy(x => x.Name)
                                              .ThenBy(x => x.Date).ToList();



            foreach (var s in sorted)
            {
                Console.WriteLine(s.Name);
                Console.WriteLine("Comments:");
                List<string> commentsList = s.Comments;

                if (commentsList != null)
                {
                    Console.WriteLine($"- {string.Join("",s.Comments)}");
                }

                Console.WriteLine("Dates attended:");
                if (s.Date != null)
                {
                    List<DateTime> date = s.Date.OrderBy(d => d.Date).ToList();
                    if (date != null)
                    {
                        foreach (var d in date)
                        {
                            Console.WriteLine("-- " + d.ToString("dd/MM/yyyy"));
                        }
                    }
                }
            }
        }
    }
}