Score : $100$ points
In some other world, today is December $D$-th.
Write a program that prints
Christmas if $D = 25$,
Christmas Eve if $D = 24$,
Christmas Eve Eve if $D = 23$ and
Christmas Eve Eve Eve if $D = 22$.
Input is given from Standard Input in the following format:
Print the specified string (case-sensitive).
Christmas Eve Eve Eve
Be sure to print spaces between the words.