Given a date, detect the date is christmas (Dec. 25) or not?
Input: 2018-12-25
Output: "Merry Christmas!"
Input: 2018-12-21
Output: "Today is Not Christmas TT"
Given a date, detect the date is christmas (Dec. 25) or not?
Input: 2018-12-25
Output: "Merry Christmas!"
Input: 2018-12-21
Output: "Today is Not Christmas TT"