using System;

public class Program

{

    public static void Main()

     {

      string userInput = Console.ReadLine();

            List<int> input = new List<int>();

​

            while (userInput != "0")

            {

                int digit = Int32.Parse(userInput);

                input.Add(digit);

                userInput = Console.ReadLine();

            }

            var sum = Sum(input);

            var countNumber = Count(input);

         double average = (double)sum/countNumber;

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

      }

     static int Sum (List<int> inputLine)

      {

            int sum = 0;

            for (int lineIndex = 0; lineIndex < inputLine.Count; lineIndex++)

                sum += inputLine[lineIndex];

            return sum;

      }

    static int Count (List<int> inputLine)

    {

        int countNumber = 0;

            for (int lineIndex = 0; lineIndex < inputLine.Count; lineIndex++)

                countNumber++;

        return countNumber;

    }

}