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 C (GCC 5.4.1) (judge verdict: Accepted)

#include<stdio.h>
#include<string.h>

int main(void){

	int n;
	char s1[] = "Christmas";
	char s2[] = "Christmas Eve";
	char s3[] = "Christmas Eve Eve";
	char s4[] = "Christmas Eve Eve Eve";

	scanf("%d",&n);

	switch(n){
		case 25:
			printf("%s",s1);
			break;
		case 24:
			printf("%s",s2);
			break;
		case 23:
			printf("%s",s3);
			break;
		case 22:
			printf("%s",s4);
			break;
	}
	
	return 0;
}