using System;

public class Program

{

    public static void Main()

    {

        Console.Write("enter the level:");

        int num=Convert.ToInt32(Console.ReadLine());

        for(int i = num-1; i >= 0; i--)

        //for number of rows

        {

            for (int k = 2; k<num-i+1; k++)

            //adds the appropriate number of spaces per row

            {

                Console.Write(" ");

            }

            for (int j = 0; j <= i* 2 ; j++)

            //creates the right number of 0s per column

            {

                Console.Write("0");

            }

            if (i == 0){

            //starts the stem of the glass where the last 0 is located

            {

                Console.WriteLine("");

                for (int y = 0; y < num; y++)

                {

                    Console.Write(new string(' ', num-1)); //number of spaces needed

                    Console.WriteLine('|');

                }

            }

​

         }

        Console.WriteLine(""); 

    }

        Console.WriteLine(new string('=', ((num * 2)-1)));

}

}

​