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 Go (1.6) (judge verdict: Wrong Answer)

package main

import (
	"fmt"
	"io/ioutil"
	"os"
	"strconv"
)

func main() {
	b, _ := ioutil.ReadAll(os.Stdin)
	d, _ := strconv.Atoi(string(b))
	fmt.Print("Christmas")
	for i := 0; i < 25-d; i++ {
		fmt.Print(" Eve")
	}
  fmt.Println()
}