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.*;

public class Main {
	public static void main(String[] args) throws Exception {
		Scanner sc = new Scanner(System.in);
/*
問題文
とある世界では、今日は 12月 D日です。
D=25なら Christmas, D=24なら Christmas Eve, D=23なら Christmas Eve Eve, D=22なら Christmas Eve Eve Eve と出力
制約
22<=D<=25
Dは整数
*/
		System.out.print("Christmas");
		int D = sc.nextInt();
		for (int i = 0; i < 25 - D; i++){
			System.out.print(" Eve");
		}
	}
}
