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

namespace TempDemo
{
    class Program
    {
        static void Main(string[] args)
        {
            List<Student> studentGroup = new List<Student>();
            while (true)
            {
                string command = Console.ReadLine();

                if (command == "end of dates")
                {
                    break;
                }
                string[] tokens = command.Split(" ", StringSplitOptions.RemoveEmptyEntries);
                string name = tokens[0];
                List<string> tempDates = new List<string>();
                if (tokens.Length > 1)
                {
                    tempDates = tokens[1].Split(',').ToList();
                }

                Student student = studentGroup.FirstOrDefault(x => x.Name == name);
                if (student == null)
                {
                    var newStudent = new Student(name);
                    for (int i = 0; i < tempDates.Count; i++)
                    {
                        DateTime parsedDate = DateTime.ParseExact(tempDates[i], "dd/MM/yyyy", CultureInfo.InvariantCulture);
                        newStudent.Dates.Add(parsedDate);
                    }
                    studentGroup.Add(newStudent);
                }
                else
                {
                    for (int i = 0; i < tempDates.Count; i++)
                    {
                        DateTime parsedDate = DateTime.ParseExact(tempDates[i], "dd/MM/yyyy", CultureInfo.InvariantCulture);
                        student.Dates.Add(parsedDate);
                    }
                }
            }

            while (true)
            {
                string command = Console.ReadLine();
                if (command == "end of comments")
                {
                    break;
                }
                string[] tokens = command.Split('-', StringSplitOptions.RemoveEmptyEntries);
                string name = tokens[0];

                var student = studentGroup.FirstOrDefault(n => n.Name == name);
                if (student != null)
                {
                    student.Comments.Add(tokens[1]);
                }
            }

            foreach (var student in studentGroup.OrderBy(n => n.Name))
            {
                Console.WriteLine(student.Name);
                Console.WriteLine("Comments:");

                foreach (var comment in student.Comments)
                {
                    Console.WriteLine("- {0}", comment);
                }

                Console.WriteLine("Dates attended:");
                foreach (var date in student.Dates.OrderBy(d => d.Date))
                {
                    Console.WriteLine("-- {0:dd/MM/yyyy}", date);
                }
            }

        }
    }

    class Student
    {
        public Student(string name)
        {
            this.Name = name;
            this.Dates = new List<DateTime>();
            this.Comments = new List<string>();
        }

        public string Name { get; set; }
        public List<DateTime> Dates = new List<DateTime>();
        public List<string> Comments = new List<string>();

    }
}