using System;

public class Program

{

    public int[] DoubleArray(int[] array) 

    {

        for(int i = 0; i < array.Length; i++) 

        {

            array[i] = array[i] * 2;

        }

        return array;

    }

    public static void Main()

    {

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

        float min = 0;

        float medium = 0;

        float[] a = new float[n];

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

        {

            float t = float.Parse(Console.ReadLine());

            a[i] = t;

            medium += t;

        }

        medium = medium / n;

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

        {

            if (a[i] < min)

            {

                min = a[i];

            }

        }

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

        {

            float t = float.Parse(Console.ReadLine());

            a[i] = t;

            medium += t;

        }

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

        {

            if(i % 2 == 0)

                Console.WriteLine(a[i]);

        }

        Console.WriteLine(min);

        Console.WriteLine(medium);

    }

}