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

namespace StudentScoresDictionary
{
    class Program
    {
        static void Main(string[] args)
        {
            List<string> input = Console.ReadLine().Split(' ').ToList();
            var dict = new Dictionary<string, Dictionary<string, List<int>>>();

            while (input[0] != "print" || (input[0] != "print" && dict.ContainsKey(input[1])))
            {

                if (!dict.ContainsKey(input[1]))
                {
                    dict.Add(input[1], new Dictionary<string, List<int>>());

                }
                if (!dict[input[1]].ContainsKey(input[2]))
                {
                    dict[input[1]].Add(input[2], new List<int>());
                }
                if (input.Count == 4)
                {
                    dict[input[1]][input[2]].Add(int.Parse(input[3]));
                }
                input = Console.ReadLine().Split(' ').ToList();

            }
            if (input.Count == 2 && input[0] == "print" && dict.ContainsKey(input[1]))
            {
                Console.WriteLine($"{input[1]}");

                foreach (var subject in dict[input[1]])
                {
                    Console.WriteLine($"- {subject.Key}: {String.Join(", ", subject.Value)}");
                }
            }
            else if (input[0] == "print" && input.Count == 1)
            {
                foreach (var student in dict)
                {
                    Console.WriteLine($"{student.Key}");

                    foreach (var subject in dict[student.Key])
                    {
                        Console.WriteLine($"- {subject.Key}: {String.Join(", ", subject.Value)}");
                    }
                }
            }
            else
            {
                throw new ArgumentException("Please provide a correct input/command!");
            }

            //dict.Add(studentName, new Dictionary<string, List<int>>());
            //dict[studentName].Add(subject, new List<int>());
            //dict[studentName][subject].Add(grades[0]); // to check with more than 1 grade
            ////dict["studentName"]["math"].Add(grade[0]);
            ////dict["studentName"]["math"].Add(grade[0]);
            //dict[studentName].Add(subject, new List<int>());
            //dict[studentName][subject].Add(5);
            //dict.Add("pesho", new Dictionary<string, List<int>>());
            //dict["pesho"].Add("chemistry", new List<int>());
            //dict["pesho"]["chemistry"].Add(2);

        }

    }

}