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());

            string number=Console.ReadLine();

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

            var vehi=new Employee(id,name,age, number,sal);

            Organisation.Add(vehi);

            n--;    

        }

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

        if(ch==1)

        {

            int ans1=Organisation.MinAge();

            Console.WriteLine(ans1);

        }

        if(ch==2)

        {

            double temp=Organisation.Avg();

            double result=Math.Round(temp, 1);

            Console.WriteLine(result);

        }

    }

}

public class Employee

{

    public int id{get;set;}

    public string name{get;set;}

    public int  age{get;set;}

    public string number{get;set;}

    public int sal{get;set;}

    public Employee(){}

    public Employee(int id,string name,int age,string number,int sal)

    {

        this.id=id;

        this.name=name;

        this.age=age;

        this.number=number;

        this.sal=sal;

    }

}

public static class Organisation

{

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

    public static void Add(Employee p)

    {

        nl2.Add(p); 

    }

    public static int MinAge()

    {

        int minage = int.MaxValue;

        foreach (Employee p in nl2)

        {

            if (p.age < minage)

            {

                minage = p.age;

            }

        }

        return minage;

    }

    public static double Avg()

    {

        int te=0,c=0;

        double a;

        foreach (Employee p in nl2)

        {

            te+=p.sal;

            c=c+1;

        }

        a=te/c;

        return a;

    }

}