namespace ConsoleApp2
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.WriteLine("Enter the height in pixels");
            int height = int.Parse(Console.ReadLine());
            Console.WriteLine("Enter the width in pixels");
            int width = int.Parse(Console.ReadLine());
            int rectangle = 80 * 80;
            Console.WriteLine(height * width / rectangle + " whole rectangles");
        }
    }
}