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

namespace Dumbbel
{
    class Program
    {
        static void Main(string[] args)
        {
            int n=int.Parse(Console.ReadLine());
            Console.WriteLine("{0}{1}{2}{1}{0}",new string('.',n/2),new string('&',n/2+1),new string('.',n));
            for (int i = 0; i < n/2-1; i++)
            {
                Console.WriteLine("{0}&{1}&{2}&{1}&{0}", new string('.', n / 2 - 1 - i), new string('*', n / 2 + i), new string('.', n));
            }
            Console.WriteLine("&{0}&{1}&{0}&",new string('*',(3*n-4-n)/2),new string('=',n));
            for (int i = n/2-2; i >=0 ; i--)
            {
                 Console.WriteLine("{0}&{1}&{2}&{1}&{0}", new string('.', n / 2 - 1 - i), new string('*', n / 2 + i), new string('.', n));
            }
            Console.WriteLine("{0}{1}{2}{1}{0}", new string('.', n / 2), new string('&', n / 2 + 1), new string('.', n));
        }
    }
}