using System;
class Program
{
    static void Main()
  {
        var n = int.Parse(Console.ReadLine());
        //top row
        Console.Write("+");
        for (int i = 0; i < n - 2; i++)
        {
            Console.Write(" -");
        }
        Console.WriteLine(" +");
        //middle row
        for (int rows = 0; rows < n-2; rows++)
        {
            Console.Write("|");
            for (int a = 0; a < n - 2; a++)
                Console.Write(" -");
            Console.WriteLine(" |");
        }
        //bottom row
        Console.Write("+");
        for (int i = 0; i < n - 2; i++)
        {
            Console.Write(" -");
        }
        Console.WriteLine(" +");
    }
}