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).

Examples

Input

25


Output

Christmas


Input

22


Output

Christmas Eve Eve Eve
import java.util.*;
import java.io.*;

/*
   AtCoder contests
   coder : yoichion
 */

public class Main {
    public static String repeat(String s, int t){
        String ans = "";
        for(int i=0;i<t;i++) ans = ans + s;
        return ans;
    }

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int D = sc.nextInt();
        System.out.println("Christmas"+ repeat(" Eve",25-D));
    }
}