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# (Mono 4.6.2.0) (judge verdict: Wrong Answer)

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ABC115A2
{
    class Program
    {
        static void Main(string[] args)
        {
            String D;
            
            D = Console.ReadLine();

            if (D == "22")
                Console.WriteLine("Christmas Eve Eve Eve");

            else if (D == "23")
                Console.WriteLine("Cristmas Eve Eve");

            else if (D == "24")
                Console.WriteLine("Cristmas Eve");

            else if (D == "25")
                Console.WriteLine("Cristmas");

            Console.ReadKey();

        }
    }
}