Problem Statement

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

Input is given from Standard Input in the following format:
D

Output

Print the specified string (case-sensitive).

Constraints

• $22 \leq D \leq 25$
• D is an integer.

Sample Input 1

25

Sample Output 1

Christmas

Sample Input 2

22

Sample Output 2

Christmas Eve Eve Eve

Be sure to print spaces between the words.

见题面 Input 部分

见题面 Output 部分