Christmas Tree

using System;

class Program
{
    public static void Main(string[] args)
    {
        int n = int.Parse(Console.ReadLine());
        int space = n;
        int star = 0;
        for (int i = 0; i < n+1; i++)
        {
            Console.Write(new string(' ',space));
            Console.Write(new string('*',star));
            Console.Write(" | ");
            Console.Write(new string('*', star));
            Console.WriteLine();
            space--;
            star++;
        }
    }
}