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 $D = 22$.

Constraints

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

Input

Input is given from Standard Input in the following format:

D

Output

Print the specified string (case-sensitive).