using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("please enter any number");

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

        Console.WriteLine("The number is written within the right angle shape here");

        for(int i = 1;i<= num; num--)

        {

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

            Console.Write("" + i);

            Console.Write(i); Console.WriteLine();  

        }

    }

}