WineGlass

using System;

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

            int counter = 0; // used to count the printed rows

            int stars = n - 2; // initial number of stars
            int dots = 0; // initial number of dots

            // printing the first half of the glass
            for (int i = 0; i < n/2; i++)
            {
                Console.Write(new string('.', dots));
                Console.Write("\\");
                Console.Write(new string('*', stars));
                Console.Write("/");
                Console.WriteLine(new string('.', dots));
                dots++;
                stars -= 2;
                counter++;
            }
            dots--; //in every iteration (even the last one) we increase the value of "dots" by one
            // that's why we must now decrease it just once. See what happens when you remove the line above :)

            //check whether n is more than 12 or not (described in the problem)
            //printing the stem
            if (n >= 12)
            {
                for (int i = 0; i < (n/2)-2; i++)
                {
                    Console.Write(new string('.', dots));
                    Console.Write("||");
                    Console.WriteLine(new string('.', dots));
                    counter++; // we still use the "counter" variable
                }
            }
            else
            {
                for (int i = 0; i < (n/2)-1; i++)
                {
                    Console.Write(new string('.', dots));
                    Console.Write("||");
                    Console.WriteLine(new string('.', dots));
                    counter++;
                }
            }
            //printing the remaining rows
            for (int i = 0; i < n - counter; i++)//time to use counter
            {
                Console.WriteLine(new string('-', n));
            }
        }
    }