using System;

using System.Linq;

using System.Collections.Generic;

public class Program

{

    public static void Main()

    {

        List <int> numbers = Console.ReadLine().Split().Select(int.Parse).ToList();

          int sum = numbers.Sum();

          double average = (double)sum / numbers.Count;

          Console.WriteLine(average + " " + sum);

    }

}