using System;

public class Program

{

    public static void Main()

    {

        int n = 3;

        for (int line = 0; line < n; line++)

        {

            for (int j = 0; j < line - 1; j++)

            for (int i = 0; i <= line; i++)

                Console.WriteLine("*");

            Console.WriteLine("");

        }

    }

}