-bash-4.3$ ./say 14
14 is fourteen 
-bash-4.3$ ./say 5147921
5147921 is five million, one hundred forty-seven thousand, nine hundred twenty-one 
-bash-4.3$ ./say -19
negative: -19
-bash-4.3$ ./say
usage: say value [value ...]
-bash-4.3$ ./say 0 10 -25 4703
0 is zero
10 is ten 
negative: -25
4703 is four thousand, seven hundred three