using System;

using System.Collections.Generic;

using System.Linq;

​

public class Program

{

    public static void Main()

    {

        var Students = new List<Student>();

        while (!(Console.ReadLine() == "q"))

        {

            var cs = Console.ReadLine().Split(',');

            Students.Add(new Student(int.Parse(cs[0]), int.Parse(cs[1]), int.Parse(cs[2]),

                                     int.Parse(cs[3]), int.Parse(cs[4]), cs[5] == "y" ? true : false));

        }

        Calculate(Students);

    }

    public static void Calculate(List<Student> Students) 

    {       

        Console.WriteLine("start");

        var hours = new List<string> { "0-2 Hours", "2-4 Hours", "4-6 Hours", "6+ Hours" };

        var gpas = new List<string> { "0.00 - 1.00 GPA", "1.01 - 2.00 GPA", "2.01 - 3.00 GPA", "3.01 - 4.00 GPA", "4.01+" };

        var g = 1; // GPA Counter

        var h = 1; // Hour Counter

        for (int i = 0; i <= 3; i++) {

            for (int j = 0; j <= 4; j++) {

                Console.WriteLine($"{hours[i]}/{gpas[j]}: {Students.Count(s => s.cGPA == g && s.entire == h)}");

                g++;

            }

            g = 1;

            h++;

        }

        Console.WriteLine(Students.Count());

    }

    public class Student

    {

        public Student(int Entire, int School, int CGPA, int OGPA, int Grade, bool Phones)

        {

            entire = Entire; 

            school = School;

            cGPA = CGPA;

            oGPA = OGPA; 

            grade = Grade;

            phones = Phones;

        }

        public int entire { get; set; }

        public int school { get; set; }

        public int cGPA { get; set; }

        public int oGPA { get; set; }

        public int grade { get; set; }

        public bool phones { get; set; }

    }

    /*for (var i = 0; i <= Students.Count; i++)

        {

            Console.WriteLine(String.Format($"Student {i}: " +

                                            $"Entire: {Students[i].entire} | " +

                                            $"School: {Students[i].school} | " +

                                            $"Current GPA: {Students[i].cGPA} | " +

                                            $"Overall GPA: {Students[i].oGPA} | " +

                                            $"Grade Level: {Students[i].grade} | " +

                                            $"Y/N On Phones: {Students[i].phones}")); 

        }

    */

}