NaN &@ &@ / &@ &@ / &@&@& / &@ &@&@& &@&@&@& &@&@&@&@& / &@ &@&@& / &@ &@&@& &@&@&@&@ &@ &@&@& &@&@&@&@& / &@ &@ &@&@&@&@ &@&@&/ &@ &@& @&@&@
NaN
