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 {
	Scanner sc = new Scanner(System.in);
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		new Main().doIt();
	}
	void doIt() {
		solveA();
	}
	void solveA() {
		int N = sc.nextInt();
		String ans = "Christmas";
		for(int i = N; i < 25; i++) {
			ans += " Eve";
		}
		System.out.println(ans);
	}
}
