KingOfThieves

using System;



class KingOfThieves
{
    static void Main()
    {
        int n = int.Parse(Console.ReadLine());
        char p = char.Parse(Console.ReadLine());
        Console.WriteLine();
        for (int i = 0; i < n/2; i++)
        {
            Console.WriteLine("{0}{1}{0}",new string('-',n/2-i), new string(p,i*2+1));
        }
        Console.WriteLine("{0}",new string(p,n));
        for (int i = 0; i < n / 2; i++)
        {
            Console.WriteLine("{1}{0}{1}", new string(p, (n - 2) - (i*2)), new string('-', i + 1));
        }
        Console.WriteLine();
    }
}