retriever% a.out
Enter an English sentence: this is pig latin
Pig Latin: isthay isway igpay atinlay
retriever% 

retriever% a.out
Enter an English sentence: This time we do    spaces,   too!
Pig Latin: isthay imetay eway oday acesspay, ootay!
retriever% 

retriever% a.out
Enter an English sentence: Hmmm, something  strange:  ::??  5:30,   ? !!
Pig Latin: hmmmay, omethingsay angestray: ::?? 5:30, ? !!
retriever% 

retriever% a.out
Enter an English sentence: Do normal sentences still work?
Pig Latin: oday ormalnay entencessay illstay orkway?
retriever%