using System;

public class Program

{

    public static void Main()

    {

        int  limite =1;

        int aux=1;

        while(aux<=9){

        for(int x=1; x<=limite; x++)

        {

        Console.Write("*");

        }

            Console.WriteLine();

            limite=limite+1;

        aux=aux+1;

        }

    }

}