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

namespace _4.Draw_a_Filled_Square
{
    class Program
    {
        public static void PrintHeader(int input)
        {
            Console.WriteLine(new string('-', input * 2));
        }

        public static void PrintMiddleRow(int input)
        {
            Console.Write("-");
            for (int j = 1; j < input; j++)
            {
                Console.Write("\\/");
            }
            Console.WriteLine("-");
        }

        public static void PrintAllMiddleRows(int input)
        {
            for (int i = 0; i < input - 2; i++)
            {
                PrintMiddleRow(input);
            }
        }

        public static void PrintFilledSquare(int input)
        {
            PrintHeader(input);
            PrintAllMiddleRows(input);
            PrintHeader(input);
        }

        static void Main(string[] args)
        {
            int inputNumber = int.Parse(Console.ReadLine());
            PrintFilledSquare(inputNumber);
        }
    }
}