class Box
{
	private double xSize;
	private double ySize;
	private double zSize;

	Box(double xVal, double yVal, double zVal)
	{
		xSize = xVal;
		ySize = yVal;
		zSize = zVal;
	}

	class Fly
	{
		double x,y,z;
		public void setX(double val)
		{
			if(val<xSize) x=val;
		}
		public void setY(double val)
		{
			if(val<ySize) y=val;
		}
		public void setZ(double val)
		{
			if(val<zSize) z=val;
		}
		public String toString()
		{
			return "("+x+" , "+y+" , "+z+")";
		}
	}
}