Problem:
Score : 100 points

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).

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.

Solution in JavaScript (node.js v5.12) (judge verdict: Accepted)

function Main(input) {
	var day = parseInt(input, 10);
    if (day === 22) {
      console.log('Christmas Eve Eve Eve');
    } else if (day === 23) {
      console.log('Christmas Eve Eve');
    } else if (day === 24) {
      console.log('Christmas Eve');
    } else if (day === 25) {
      console.log('Christmas');
    }
}
Main(require("fs").readFileSync("/dev/stdin", "utf8"));