using System;

public class Program

{

    public static void Main()

    {

        int[] a = {4,    5,    11,    13,    17,    21,    17};

        int iteraciones = 0;

        //Burbuja

        for(int x = 1; x < a.Length; x++)

        {

            for(int y = x - 1; y < a.Length - 1; y++)

            {

                if(a[x] < a[y])

                {

                    int tmp = a[y];

                    a[y] = a[x];

                    a[x] = tmp;

                }

                iteraciones++;

            }

        }

        foreach(var item in a)

        {

            Console.WriteLine(item);

        }

        Console.WriteLine("<" + iteraciones + ">");

    }

}