using System;

public class Program

{

    public static void Main()

    {

        string num = Console.ReadLine();

        int n = Convert.ToInt32(num);

        string temp = "";

        string temp2 = "*";

        for(var i = 0; i < n; i++){

            temp += " ";

        }

        for(var j = 1; j <= n; j++){

            Console.WriteLine(temp.Substring(0,n-j) + temp2);

            temp2 += "**";

        }

    }

}