using System;


class PetarsGame
{

    static void Main()
    {
        int n = int.Parse(Console.ReadLine());
        Console.WriteLine("{0}",
                        new string(':',n));

        Console.WriteLine(":{0}{1}",
                        new string(' ', n - 2),
                        new string(':',2));

        int a = 1;
        int count = 0;
        for (int i = 0; i < n / 2; i++)
        {
            count++;
            Console.WriteLine(":{0}:{1}:",
                        new string(' ', n - 2),
                        new string('|',a));
            a++;

        }
        Console.WriteLine("{0}{1}:",
                        new string(':',n),
                        new string('|',count + 1));


        int aa = 1;
        int bb = count ;
        int count2 = 0;

        for (int i = 0; i < n / 2; i++)
        {
            count2++;
            Console.WriteLine("{0}:{1}:{2}:",
                            new string(' ',aa),
                            new string('-',n - 2),
                            new string('|',bb));
            aa++;
            bb--;
        }

        Console.WriteLine("{0}:{1}{2}",
                            new string(' ',count2 + 1),
                            new string('-',n - 2),
                            new string(':',2));
        Console.WriteLine("{0}{1}",
                            new string(' ',count2 + 2),
                            new string(':',n));


    }
}