//countdown timer

using System;

class countdown
{
	public static void space(int x)
	{
		int i;
		for(i=0;i<=x;++i)
		{
			Console.Write(" ");
		}
	}
	
	public static void Main()
	{
		Console.WriteLine("How high do you want to count down from?");
		int count = Int32.Parse(Console.ReadLine());
		
		int i;
		for(i=count;i>=0;--i)
		{
			space(i);
			Console.Write(i);
			Console.WriteLine();
		}
	}
}