~S~ to mocking case. A string is in mocking case if the first letter is lowercase, and the following letters are in the opposite case as the previous one. Can you help him out?is tired of constantly pressing the shift button, so he asks you to convert a string
The first line will contain ~S\ (1 \le |S| \le 2000)~. ~S~ may contain alphanumeric characters, spaces, periods, question marks, and exclamation marks.
Output the string in mocking case.
Help I'm trapped in a driver's license factory
hElP i'M tRaPpEd In A dRiVeR's LiCeNsE fAcToRy