using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace B6
{
    class StudentGroup
    {
        Dictionary<string, StudentGradeSheet> studentGroup = new Dictionary<String, StudentGradeSheet>();

        public Dictionary<string, StudentGradeSheet> AddStudent()
        {
            string howManyStudents = Console.ReadLine();
            int howMany = int.Parse(howManyStudents);


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

                string name = Console.ReadLine();
                studentGroup.Add(name, StudentGradeSheet.gradeSheet.AddGrade());

            }
            return studentGroup;
        }
        public Dictionary<string, double> GetGradeSheet()
        {
            string nameOfStudent = Console.ReadLine();

            var studentSheet = studentGroup[nameOfStudent];

            return studentSheet;
        }
      public double StudentAverage()
        {

            StudentGroup student = new StudentGroup();
            Dictionary<string, double> a = student.GetGradeSheet();
            double av = StudentGradeSheet.a.GetAverage();

            return av;
        }


    }

    class StudentGradeSheet
    {
        Dictionary<string, double> gradeSheet = new Dictionary<string, double>();


        public Dictionary<string, double> AddGrade()
        {
            int howManySubjects = int.Parse(Console.ReadLine());


            for (int i = 0; i <= howManySubjects; i++)
            {
                string subject = Console.ReadLine();

                double grade = double.Parse(Console.ReadLine());

                gradeSheet.Add(subject, grade);
            }

            return gradeSheet;
        }

        public double GetGrade()
        {
            double grade;
            string subject = Console.ReadLine();

            return  grade = gradeSheet[subject];
        }

        public string GetAverage(
        {
            var a;
            double sum = gradeSheet.Values.Sum();
            int divider = gradeSheet.Keys.Count();

            double average = sum / divider;

            if (average >= 3.0)
            {
                return "pass";
            }
            else
            {
                return "didn't pass";
            }


        }




    }
class Program
    {
        static void Main(string[] args)
        {
            StudentGroup student = new StudentGroup();
            student.AddStudent();
            student.GetGradeSheet();
            student.StudentAverage();



            Console.ReadKey();
        }
    }
}