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){
    d=input;
    var a=["Christmas","Christmas Eve","Christmas Eve Eve","Christmas Eve Eve Eve"];
    var b=[25,24,23,22]
    for (var i = 0;i<4;i++){
        if (d==b[i]){
            console.log(a[i])
        }
    }
}

main(require('fs').readFileSync('/dev/stdin', 'utf8'));