The computerized apparatus of {TAIL ~ clam} 1, wherein {HEAD ~ the input lines} are preceded with a prompt 
The computerized apparatus of { TAIL ~ clam } 1 , wherein { HEAD ~ the input lines } are preceded with a prompt
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH