using System;

public class Program

{

    public static void Main()

    {

        const int H = 5;

        printPiramis(1, H);

    }

    static void printPiramis(int h, int max) {

        if( h == max ) {

            printRow(h);

            return;

        }

        printRow(h);

        printPiramis(h+1, max);

        printRow(h);

    }

    static void printRow(int length) {

        Console.WriteLine(new string('#', length));

    }

}