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

namespace _01.X
{
    class Program
    {
        static void Main(string[] args)
        {


            int n = int.Parse(Console.ReadLine());
            var spaces = n;

            // горна част

             // spaces on left
            for (var i = 0; i < (n / 2) + 1; i++)   // 2  , 3 , 4 , 5 , 6 ....
            {
                Console.Write(new string('/', i));

                //първи х
                Console.Write("x");

                // spaces between x- s   /// towa var6i rabota
                   spaces = spaces - 2;
                if (spaces < 0)
                {
                    break;
                }
                    Console.Write(new string('_', spaces));

                // втори х
                Console.Write("x");
                // нов ред
                Console.WriteLine();


            }

            Console.WriteLine();

            // долна част

            var newspaces = 0;

            for (var k = n ; n > 0; k--)
            {
                newspaces = k ;
                Console.Write(new string('/' , newspaces));
                Console.Write("x");



               // Console.Write("x");
                Console.WriteLine();


            }




            Console.WriteLine();











        }
    }
}