using System;
class BatGoikoTower
{
    static void Main()
    {
        int number = int.Parse(Console.ReadLine());

        int dots = number - 1;
        int middle = 0;
        int countForDash = 2;
        int countforIncreasingDashes = 2;

        for (int i = 1; i <= number; i++)
        {
            if (i == countForDash)
            {
                Console.WriteLine("{0}/{1}\\{0}", new string('.', dots), new string('-', middle));
                countForDash += countforIncreasingDashes;
                countforIncreasingDashes++;
            }
            else
            {
                Console.WriteLine("{0}/{1}\\{0}", new string('.', dots), new string('.', middle));
            }
            middle+=2;
            dots --;
        }
    }
}