Definition: In this task, you need to generate an appropriate title for the given summary of some paragraph. The generated title must be short and should include the main topic of the given text. Your summary should be less than 20 words long.
Input: Long-time US television host Jay Leno has taped his final episode of The Tonight Show, with help from a few celebrity guests.

Tonight Show's Jay Leno bids adieu after 22 years