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

namespace ConsoleApplication37
{
    class Human
    {
        public string firstName;
        public string surname;

        public Human(string _firstName, string _surname)
        {
            firstName = _firstName;
            surname = _surname;
        }
    }

    class Sportsman : Human
    {
        public double avg;
        public Sportsman(int[] results, string _firstName, string _surname)
            : base(_firstName, _surname)
        {
            double sum = 0;
            for (int i = 0; i < results.Length; i++) sum += results[i];

            avg = sum / results.Length;
        }
    }


    class Program
    {
        static void Main(string[] args)
        {
            Sportsman[] firstGroup = new Sportsman[3] {
                new Sportsman(new int[3]{1, 4, 5}, "First1", "Sportsman11"),
                new Sportsman(new int[3]{3, 2, 4}, "Second1", "Sportsman12"),
                new Sportsman(new int[3]{2, 5, 2}, "Third1", "Sportsman13")
            };
            Sportsman[] secondGroup = new Sportsman[3] {
                new Sportsman(new int[3]{4, 3, 2}, "First2", "Sportsman21"),
                new Sportsman(new int[3]{2, 5, 3}, "Second2", "Sportsman22"),
                new Sportsman(new int[3]{1, 5, 2}, "Third2", "Sportsman23")
            };
            Sportsman[] allGroups = new Sportsman[6] {
                firstGroup[0], firstGroup[1], firstGroup[2], secondGroup[0], secondGroup[1], secondGroup[2]
        };

            for (int i = 0; i < firstGroup.Length; i++)
            {
                for (int k = 0; k < firstGroup.Length - 1; k++)
                {
                    if (firstGroup[k].avg < firstGroup[k + 1].avg)
                    {
                        Sportsman tmp = firstGroup[k + 1];
                        firstGroup[k + 1] = firstGroup[k];
                        firstGroup[k] = tmp;
                    }
                }
            }

            for (int i = 0; i < secondGroup.Length; i++)
            {
                for (int k = 0; k < secondGroup.Length - 1; k++)
                {
                    if (secondGroup[k].avg < secondGroup[k + 1].avg)
                    {
                        Sportsman tmp = secondGroup[k + 1];
                        secondGroup[k + 1] = secondGroup[k];
                        secondGroup[k] = tmp;
                    }
                }
            }



            for (int i = 0; i < allGroups.Length; i++)
            {
                for (int k = 0; k < allGroups.Length - 1; k++)
                {
                    if (allGroups[k].avg < allGroups[k + 1].avg)
                    {
                        Sportsman tmp = allGroups[k + 1];
                        allGroups[k + 1] = allGroups[k];
                        allGroups[k] = tmp;
                    }
                }
            }

            for (int i = 0; i < allGroups.Length; i++)
            {
                Console.WriteLine("Group {0}. Average = {1}", i + 1, allGroups[i].avg);
            }
        }
    }
}