There is a hidden message that can be decipher from the string below. Try to figure out what does it actually says. The final answer will be in text form.
TkyeasliuewthhnvsttegpwrueeoawdhshheanwhwloeestoatdiesorfhTtlkhocaordeehhdTtekrnTtnleathhsetlhhdpmtheatd
Hint: When X becomes the unlucky one, Y = 2X - 18.
You don't actually need anything else other than the string of characters and the hint above. The 4 capital 'T' are intentional (not text error).