using System;

public class Program

{

    public static void Main()

    {

        Triangle(8);

    }

    public static void Triangle(int a)

    {

        int Rows=a;

        int Columns=Rows;

        int i=1;

        while(i<=Rows)

        {

            int j=1;

            while(j<= Columns)

            {

                Console.Write(j);

                j++;

            }

            i++;

            Columns--;

            Console.WriteLine();

        }

    }   

}