// Добвать валидацию всего чего можно (вывести/удалить студента по номеру которого нет)



using System;
using System.Collections.Generic;
using System.IO;

namespace Электронныйдневник
{
    public class Student
    {
        public string Name;
        public string Surname;
        public string Data;
        public List<int> Marks;
        public int ResultMark;

        // Пропуски
        //

        public int Omissions;
        private double average_mark;
        private int[,] BetterMarks;
        private int sum;

        // Конструкторы
        public Student(string input)
        {
            // format : NAME SURNAME DOB {MARKS}
            var temp = input.Split();
            Name = temp[0];
            Surname = temp[1];
            Data = temp[2];
            Marks = new List<int>();
            for (int i = 3; i < temp.Length; i++)
            {
                int c = 0;
                if (Int32.TryParse(temp[i], out c))
                {
                    if (c > 0 && c < 6)
                        Marks.Add(c);
                }
                else
                {
                    if (temp[i] == "-")
                    {
                        Omissions++;
                    }
                }
            }
            Analyse();
        }
        public Student(string name, string surname, string data, List<int> a)
        {
            Name = name;
            Data = data;
            Surname = surname;
            Marks = a;
            Analyse();
        }

        // Методы
        private void Analyse()
        {
            sum = 0;
            foreach (var i in Marks)
            {
                sum += i;
            }
            GetAverageMark();
            ResultMark = GetRusultMark(average_mark);
            GetBetterMarks();
        }

        private void GetAverageMark()
        {
            average_mark = 0;
            foreach (var i in Marks)
            {
                average_mark += i;
            }
            average_mark = GetAverage(average_mark, Marks.Count);
        }
        private int GetRusultMark(double c)
        {
            return (int)(c + 0.5);
        }
        private double GetAverage(double sum, int count)
        {
            return sum / count;
        }
        private void GetBetterMarks()
        {
            BetterMarks = new int[6, 6];
            for (int i = 0; i < 6; i++)
            {
                // q - оценка, которой будем улучшать
                for (int q = i; q < 6; q++)
                {
                    if (i > ResultMark)
                    {
                        int j = 0;
                        for (j = 0; GetRusultMark(GetAverage(sum + j * q, Marks.Count + j)) != i; j++) ;
                        BetterMarks[i, q] = j;
                    }
                }
            }
        }

        /// <summary>
        /// Addes mark to student
        /// </summary>
        /// <param name="m"></param>
        public void SetMark(int m)
        {

            Analyse();
        }

        public string GetSmalInfo()
        {
            return Name + " " + Surname;
        }
        public string GetMediumInfo()
        {
            return Name + " " + Surname + 'n' + " Result mark: " + ResultMark;
        }
        public string GetLargeInfo() {
            return Name + " " + Surname + '\n' + " Result mark: " + ResultMark + '\n' + "Omissions: " + Omissions;
        }

        public int CompareTo_Name(Student b)
        {
            if (string.Compare(Surname, b.Surname) > 0) {
                return 1;
            }
            if (string.Compare(Surname, b.Surname) < 0)
            {
                return -1;
            }
            if (string.Compare(Name, b.Name) > 0)
            {
                return 1;
            }
            if (string.Compare(Name, b.Name) < 0)
            {
                return -1;
            }
            return 0;
        }
        public override string ToString()
        {
            string result = "Info about student " + Name + " " + Surname + "\n" + "Date of Birth: " + Data + "\n" + "Marks: ";
            for (int i = 0; i < Marks.Count; i++)
            {
                result += Marks[i].ToString();
                if (i != Marks.Count - 1)
                {
                    result += ", ";
                }
            }
            result += '\n' + "Result mark – " + ResultMark.ToString() + '\n' + "Omissions: " + Omissions + '\n';

            for (int i = 0; i < 6; i++)
            {
                for (int j = 0; j < 6; j++)
                {
                    if (BetterMarks[i, j] != 0)
                    {
                        result += "To get " + i.ToString() + " you have to get " + BetterMarks[i, j].ToString() + " marks " + j.ToString() + '\n';
                    }
                }
            }

            return result;
        }
    }
    public class Class
    {
        string Name;
        public List<Student> Students;
        int Count;

        public Class()
        {
            Name = "None";
            Students = new List<Student>();
        }
        public Class(string name)
        {
            Name = name;
            Students = new List<Student>();
        }
        public Class(string name, List<Student> a)
        {
            Name = name;
            Students = a;
            Count = a.Count;
            sort();
        }


        /// <summary>
        /// Adds new student to class
        /// </summary>
        /// <param name="st"></param>
        public void Add(Student st)
        {
            Students.Add(st);
            Count++;
            sort();
        }
        /// <summary>
        /// returns student dy index
        /// </summary>
        /// <param name="x">index in sorted list</param>
        /// <returns></returns>
        public Student GetByIndex(int x)
        {
            return Students[x - 1];
        }

        /// <summary>
        /// Deletes Student by index
        /// </summary>
        /// <param name="x"></param>
        public void DeleteByIndex(int x)
        {
            Students.RemoveAt(x - 1);
            Count--;
        }

        /// <summary>
        /// Returns list whith Names and Surnames
        /// </summary>
        /// <returns></returns>
        public string GetSmallList()
        {
            string res = "Name of class: " + Name + '\n';

            for (int i = 0; i < Count; i++)
            {
                res += (i + 1).ToString() + ") " + Students[i].GetSmalInfo() + '\n';
            }
            return res;
        }
        /// <summary>
        /// Returns List whith Name Surname Result Mark
        /// </summary>
        /// <returns></returns>
        public string GetMediumList()
        {
            string res = "Name of class: " + Name + '\n';

            for (int i = 0; i < Count; i++)
            {
                res += (i + 1).ToString() + ") " + Students[i].GetMediumInfo() + '\n' ;
            }
            return res;
        }
        /// <summary>
        /// Returns List whith Name Surname Day of Birth Result Mark Omissions
        /// </summary>
        /// <returns></returns>
        public string GetLargeList()
        {
            string res = "Name of class: " + Name + '\n';

            for (int i = 0; i < Count; i++)
            {
                res += (i + 1).ToString() + ") " + Students[i].GetLargeInfo() + '\n' ;
            }
            return res;
        }

        /// <summary>
        /// returns rating of student
        /// </summary>
        /// <param name="name"></param>
        /// <param name="surname"></param>
        /// <returns></returns>
        public int Rating(string name, string surname)
        {

        }

        /// <summary>
        /// Sorts students by parametr
        /// </summary>
        /// <param name="cmp">"name" / "mark"</param>
        private void sort(string cmp)
        {
            for (int i = 0; i < Count; i++)
            {
                for (int j = 1; j < Count - 1; j++)
                {
                    //
                    if  (Students[j].CompareTo_Name(Students[j + 1]) < 0)
                    {
                        var temp = Students[j];
                        Students[j] = Students[j + 1];
                        Students[j + 1] = temp;
                    }
                }
            }
        }
        public override string ToString()
        {
            string res = "Name of class: " + Name + '\n';

            for (int i = 0; i < Count; i++)
            {
                res += (i + 1).ToString() + ") " + Students[i].ToString() + '\n';
            }
            return res;
        }
    }

    class Program
    {
        static void Main(string[] args)
        {
            StreamReader reader = new StreamReader("data.txt");
            int n = Int32.Parse(reader.ReadLine());
            Class t = new Class("Name");
            for (int i =0; i < n; i++)
            {
                t.Add(new Student(reader.ReadLine()));
            }
            Console.WriteLine(t);
        }
    }
}