using System;

public class Program

{

    public static void FuncA()

    {

        for (int i=1; i<6; i++)

        {

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

            {

                Console.Write(j + " ");

            }

    }       Console.WriteLine("");

        }

    public static void Main()

    {

        FuncA();

    }

}