using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Ebter num");

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

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

        { 

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

            Console.Write('*');

            Console.WriteLine();

        }

    }

}