using System;

​

public class Program

{

    public static void Main()

    {

        int temp1=0;

        int temp2=-1;

        Console.WriteLine("How many students in class ?");

        int num = int.Parse(Console.ReadLine());

        Student[] students = new Student[num];

        Random s= new Random();

        Date d1;

        for(int i=0;i<num;i++)

        {

            d1= new Date(s.Next(1,32),s.Next(1,12),s.Next(3000));

            students[i]= new Student(i,"num"+i,d1,3);

            students[i].ReadGrades();

            if(temp1<students[i].GetAverage())

            {

                temp1=students[i].GetAverage();

                temp2=i;

            }

        }

         Console.WriteLine(students[temp2]);

    }

}

​

public class Student

{

    private int id;

    private string name;

    private Date birthday;

    private int numGrades;

    private int[] grades;

    public Student(int id, string name, Date birthday, int numGrades)

    {

        this.id = id;

        this.name = name;

        this.birthday = new Date(birthday);

        this.numGrades = numGrades;

        this.grades = new int[numGrades];

    }

​

    public int GetId()

    {

        return this.id;

    }

​

    public string GetName()

    {

        return this.name;

    }

​

    public Date GetBirthday()

    {

        return this.birthday;

    }

​

    public void SetGrade(int place, int grade)

    {

        this.grades[place] = grade;

    }

​

    public int GetAverage()

    {

        int sum = 0;

        for (int i = 0; i < this.numGrades; i++)

        {

            sum += this.grades[i];

        }

​

        return sum / this.numGrades;

    }

    private int CheckGrade()

    {

        Console.WriteLine("GRADE: ");

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

        while(grade<0||grade>100)

        {

            Console.WriteLine("Value Unavailabale");

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

        }

        return grade;

    }

    public void ReadGrades()

    {

        for(int i=0;i<this.numGrades;i++)

        {

            this.SetGrade(i,CheckGrade());

        }

    }

​

    public override string ToString()

    {

        string s1 = "id: " + this.id + " name: " + this.name + " BirthDay: " + birthday.ToString();

        for (int i = 0; i < this.numGrades; i++)

        {

            s1 += (" grade: " + this.grades[i]);

        }

​

        return s1;

    }

}

​

public class Date

{

    private int day;

    private int month;

    private int year;

    public Date(int day, int month, int year)

    {

        this.day = day;

        this.month = month;

        this.year = year;

    }

​

    public Date(Date dt)

    {

        this.day = dt.GetDay();

        this.month = dt.GetMonth();

        this.year = dt.GetYear();

    }

​

    public void SetYear(int year)

    {

        this.year = year;

    }

​

    public int GetYear()

    {

        return this.year;

    }

​

    public int GetMonth()

    {

        return this.month;

    }

​

    public int GetDay()

    {

        return this.day;

    }

​

    public override String ToString()

    {

        return this.day + "/" + this.month + "/" + this.year;

    }

}