using System;

namespace feb17
{
	/// <summary>
	/// Summary description for Class1.
	/// </summary>
	class Class1
	{
		/// <summary>
		/// The main entry point for the application.
		/// </summary>
		[STAThread]
		static void Main(string[] args)
		{
			double cur_balance = 15000;

			for(int i=1 ; i <= 48; i++)
			{
				double interest = cur_balance*0.005;

				cur_balance -= 400 - interest;
			}

			if(cur_balance <= 0.0)
				Console.WriteLine("Yes! You can afford.");
			else
				Console.WriteLine("No. You can not afford.");
		}
	}
}