using System;

public class NaNTest
{
	public NaNTest (double width, double height)
	{
		if (width < 0 || height < 0)
			throw new ArgumentException ("fails");
		
		if (width <= 0 || height <= 0)
			throw new ArgumentException ("fails 2");
		
		if (width > 0 || height > 0)
			throw new ArgumentException ("fails 3");
		
		if (width >= 0 || height >= 0)
			throw new ArgumentException ("fails 4");
	}

	public static int Main ()
	{
		if (Double.NaN < 0 || Double.NaN < 0)
			throw new ArgumentException ("passes");

		new NaNTest (Double.NaN, Double.NaN);
		
		return 0;
	} 
}