using System;
using System.Collections.Generic;
using System.Linq;

namespace AlgorithmsOverStructureData
{
    class Program
    {
        static void Main(string[] args)
        {
            string input = Console.ReadLine(); //2 3 4 5 6 7 1
            List<int> numbers = input.Split(" ").Select(int.Parse).ToList();
            int sum = 0;
            int count = 0;

            foreach(int number in numbers)
            {
                sum += number;
                count++;
            }

            double average = sum * 1.0 / count;

            Console.WriteLine($"Sum = {sum}; Average = {average:F2}");
        }
    }
}