Carpets

using System;

namespace Carpets
{
    class Program
    {
        static void Main(string[] args)
        {
            int width = int.Parse(Console.ReadLine());
            int center=width/2;

            // Upper Right Side

            for (int row = 1; row <=center; row++)
            {
                for (int col = 1; col <=center; col++)
                {
                    if (col <= center - row)
                    {
                        Console.Write('.');
                    }
                    else
                    {
                        if (center % 2 == 0)
                        {
                            if (((row % 2 != 0) && (col % 2 == 0)) || ((row % 2 == 0) && (col % 2 != 0)))
                            {
                                Console.Write('/');

                            }
                            else if (((row % 2 == 0) && (col % 2 == 0)) || ((row % 2 != 0) && (col % 2 != 0)))
                            {
                                Console.Write(' ');
                            }
                        }
                        else
                        {
                            if( (row%2!=0 && col%2!=0) || (row%2==0 && col%2==0))
                            {
                                Console.Write('/');
                            }
                            else if( (row%2==0 && col%2!=0) || (row%2!=0 && col%2==0 ))
                            {
                                Console.Write(' ');
                            }
                        }
                    }

                }

               //Upper Left Side

                for (int col = center; col>=1; col--)
                {
                    if (col <= center - row)
                    {
                        Console.Write('.');
                    }

                    else
                    {
                        if (center % 2 == 0)
                        {
                            if (((row % 2 != 0) && (col % 2 == 0)) || ((row % 2 == 0) && (col % 2 != 0)))
                            {
                                Console.Write('\\');

                            }
                            else if (((row % 2 == 0) && (col % 2 == 0)) || ((row % 2 != 0) && (col % 2 != 0)))
                            {
                                Console.Write(' ');
                            }
                        }
                        else
                        {
                            if ((row % 2 != 0 && col % 2 != 0) || (row % 2 == 0 && col % 2 == 0))
                            {
                                Console.Write('\\');
                            }
                            else if ((row % 2 == 0 && col % 2 != 0) || (row % 2 != 0 && col % 2 == 0))
                            {
                                Console.Write(' ');
                            }
                        }
                    }


                }
                Console.WriteLine();
            }

            //Down Right Side

            for (int row = center; row >0; row--)
            {
                for (int col = 1; col <= center; col++)
                {
                    if (col <= center - row)
                    {
                        Console.Write('.');
                    }
                    else
                    {
                        if (center % 2 == 0)
                        {
                            if (((row % 2 != 0) && (col % 2 == 0)) || ((row % 2 == 0) && (col % 2 != 0)))
                            {
                                Console.Write('\\');

                            }
                            else if (((row % 2 == 0) && (col % 2 == 0)) || ((row % 2 != 0) && (col % 2 != 0)))
                            {
                                Console.Write(' ');
                            }
                        }
                        else
                        {
                            if ((row % 2 != 0 && col % 2 != 0) || (row % 2 == 0 && col % 2 == 0))
                            {
                                Console.Write('\\');
                            }
                            else if ((row % 2 == 0 && col % 2 != 0) || (row % 2 != 0 && col % 2 == 0))
                            {
                                Console.Write(' ');
                            }
                        }
                    }

                }

                //Down Left Side

                for (int col = center; col >= 1; col--)
                {
                    if (col <= center - row)
                    {
                        Console.Write('.');
                    }

                    else
                    {
                        if (center % 2 == 0)
                        {
                            if (((row % 2 != 0) && (col % 2 == 0)) || ((row % 2 == 0) && (col % 2 != 0)))
                            {
                                Console.Write('/');

                            }
                            else if (((row % 2 == 0) && (col % 2 == 0)) || ((row % 2 != 0) && (col % 2 != 0)))
                            {
                                Console.Write(' ');
                            }
                        }
                        else
                        {
                            if ((row % 2 != 0 && col % 2 != 0) || (row % 2 == 0 && col % 2 == 0))
                            {
                                Console.Write('/');
                            }
                            else if ((row % 2 == 0 && col % 2 != 0) || (row % 2 != 0 && col % 2 == 0))
                            {
                                Console.Write(' ');
                            }
                        }
                    }


                }
                Console.WriteLine();
            }
        }
    }

}