line = input() words = "" for c in line: if not ('a' <= c <= 'z' or 'A' <= c <= 'Z'): c = ' ' words += c words = words.split() words.reverse() print(' '.join(words))
line = input() words = "" for c in line: if not ('a' <= c <= 'z' or 'A' <= c <= 'Z'): c = ' ' words += c words = words.split() words.reverse() print(' '.join(words))