using System;

using System.Collections;

using System.Collections.Generic;

using System.Linq;

public class MyClass

{

    public static void Main()

    {

        int n=Convert.ToInt32(Console.ReadLine());

        while(n>0)

        {

            int id=Convert.ToInt32(Console.ReadLine());

            string name=Console.ReadLine();

            int  age=Convert.ToInt32(Console.ReadLine());

            int runs=Convert.ToInt32(Console.ReadLine());

            int wickets=Convert.ToInt32(Console.ReadLine());

            var vehi=new Player(id,name,age,runs,wickets);

            Team.Add(vehi);

            n--;    

        }

        int ch=Convert.ToInt32(Console.ReadLine());

        if(ch==1)

        {

            int d1=Convert.ToInt32(Console.ReadLine());

            int temp=Team.CountAge(d1);

            if(temp==0)

            { 

                Console.WriteLine("No player with given age found");

            }

            else

            {

                Console.WriteLine(temp);

            }

        }

        if(ch==2)

        {

            double ans1=Team.Avg();

            Console.WriteLine(ans1);

        }

    }

}

public class Player

{

    public int id{get;set;}

    public string name{get;set;}

    public int age{get;set;}

    public int runs{get;set;}

    public int wickets{get;set;}

    public Player(){}

    public Player(int id,string name,int age,int  runs,int wickets)

    {

        this.id=id;

        this.name=name;

        this.age=age;

        this.runs=runs;

        this.wickets=wickets;

    }

}

public static class Team

{

    public static List<Player> nl2=new List<Player>();

    public static void Add(Player p)

    {

        nl2.Add(p); 

    }

    public static int CountAge(int a)

    {

        int c=0;

        foreach(Player p in nl2)

        {

            if(p.age==a)

                c=c+1;

        }

        return c;

    }

    public static double Avg()

    {

        double sum = 0;

        double avg=0;

        int c=0;

        foreach (Player p in nl2)

        {

            sum=sum+p.wickets;

            c=c+1;

        }

        avg=sum/c;

        return avg;

    }

}

​