using System;


class Program
{
    static void Main()
    {
        int n = int.Parse(Console.ReadLine());

        int count;
        if ((n / 2 & 1) == 1)
        {
            count = n / 4 + 1;
        }
        else
        {
            count = n / 4;
        }

        char[,] matrix = new char[n, n];

        for (int i = 0; i / 2 < count; i += 2)
        {
            // / up
            for (int x = n / 2 - 1, y = 0 + i; y < n / 2; x--, y++)
            {
                matrix[x, y] = '/';
            }
            // \ up
            for (int x = n / 2 - 1, y = n - 1 - i; y > n / 2 - 1; x--, y--)
            {
                matrix[x, y] = '\\';
            }
            // \ down
            for (int x = n / 2, y = 0 + i; y < n / 2; x++, y++)
            {
                matrix[x, y] = '\\';
            }
            // / down
            for (int x = n / 2, y = n - 1 - i; y > n / 2 - 1; x++, y--)
            {
                matrix[x, y] = '/';
            }
        }
        // dots
        for (int x = 0; x < n; x++)
        {
            for (int y = 0; y < n; y++)
            {
                if (matrix[x, y] == 0)
                {
                    if (x == 0 || y == 0 || y == n - 1)
                    {
                        matrix[x, y] = '.';
                    }
                    else if (matrix[x - 1, y] == '.' || matrix[x, y - 1] == '.')
                    {
                        matrix[x, y] = '.';
                    }
                    else if (matrix[x, y - 1] == '/' && matrix[x, y + 1] == 0 && x > n / 2)
                    {
                        matrix[x, y] = '.';
                    }
                }
            }
        }
        PrintMatrix(matrix, n);
    }

    private static void PrintMatrix(char[,] matrix, int n)
    {
        for (int x = 0; x < n; x++)
        {
            for (int y = 0; y < n; y++)
            {
                Console.Write(matrix[x,y]);
            }
            Console.WriteLine();
        }
    }
}