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-----
25

-----Sample Output-----
Christmas


Difficulty: introductory

Starter code:

Solutions:
d=int(input())
print('Christmas'+' Eve'*(25-d))

D = int (input ())
x = 25 - D
print ('Christmas', 'Eve '*x)

D = int(input())

if D == 25: print('Christmas') 
elif D == 24: print('Christmas Eve')
elif D == 23: print('Christmas Eve Eve')
else: print('Christmas Eve Eve Eve')

a = int(input())

if a == 25:
  print("Christmas")
elif a == 24:
  print("Christmas Eve")
elif a == 23:
  print("Christmas Eve Eve")
else:
  print("Christmas Eve Eve Eve")

# ABC115
# A Christmas Eve Eve Eve
D = int(input())
if D == 25:
    print("Christmas")
elif D == 24:
    print("Christmas Eve")
elif D ==23:
    print("Christmas Eve Eve")
else:
    print("Christmas Eve Eve Eve")


d = int(input())

l1 = [22,23,24,25]

dic = { 22:'Christmas Eve Eve Eve',
        23:'Christmas Eve Eve',
        24:'Christmas Eve',
        25:'Christmas'}

for i in range(4):
    if(l1[i]==d):
        print(dic[l1[i]])

# import numpy as np
# import math

# from scipy.special import perm : perm(n, r, exact=True)
# from scipy.special import comb : comb(n, r, exact=True)

# import itertools
# for v in itertools.combinations(L, n):M.append(list(v))

# from numba import njit
# @njit('f8(i8,i8,i8,i8,f8[:,:,:])', cache=True)


""" Definitions  """

def lcm(a, b):
    return a*b//math.gcd(a, b)

MOD = 10**9+7

# ============================================================

D = int(input())

L = ['Christmas Eve', 'Christmas', 'Christmas Eve Eve Eve', 'Christmas Eve Eve']

print((L[D%4]))



D = int(input())

if D == 25:
  print('Christmas')
elif D == 24:
  print('Christmas Eve')
elif D == 23:
  print('Christmas Eve Eve')
else:
  print('Christmas Eve Eve Eve')

D = int(input())
print('Christmas'+' Eve'*(25 - D))

print('Christmas' + ' Eve' * (25 - int(input())))

D = int(input())
print('Christmas' + " Eve"*(25-D))

n = int(input())
print("Christmas" + " Eve " * (25 - n))


D=int(input())
if D==25:
    print('Christmas')
elif D==24:
    print('Christmas Eve')
elif D==23:
    print('Christmas Eve Eve')
elif D==22:
    print('Christmas Eve Eve Eve')

D = int(input())

ans = "Christmas"
ans += " Eve" * (25 - D)

print(ans)

D=int(input())
print("Christmas"+" Eve"*(25-D))

D = int(input())

print('Christmas' + ' Eve' * (25 - D))

d = int(input())
if d == 25:
  print("Christmas")
elif d == 24:
  print("Christmas Eve")
elif d == 23:
  print("Christmas Eve Eve")
elif d == 22:
  print("Christmas Eve Eve Eve")


D=int(input())
if D==25:
    print("Christmas")
elif D==24:
    print("Christmas Eve")
elif D==23:
    print("Christmas Eve Eve")
else:
    print("Christmas Eve Eve Eve")

d = int(input())
x = ["Christmas Eve Eve Eve"] + ["Christmas Eve Eve"] + ["Christmas Eve"] + ["Christmas"]
print(x[d-22])

d = int(input())
dic = {25: "Christmas", 24: "Christmas Eve", 23: "Christmas Eve Eve", 22: "Christmas Eve Eve Eve"}
print(dic[d])

d=int(input())
if d==25:
    print("Christmas")
elif d==24:
    print("Christmas Eve")
elif d==23:
    print("Christmas Eve Eve")
else:
    print("Christmas Eve Eve Eve")

D = int(input())

if D == 25:
    print('Christmas')
elif D == 24:
    print('Christmas Eve')
elif D == 23:
    print('Christmas Eve Eve')
else:
    print('Christmas Eve Eve Eve')

a = int(input())

if a == 25:
    print('Christmas')
if a == 24:
    print('Christmas Eve')
if a == 23:
    print('Christmas Eve Eve')
if a == 22:
    print('Christmas Eve Eve Eve')


D = int(input())

if D == 25:
  print("Christmas")
elif D == 24:
  print("Christmas Eve")
elif D == 23:
  print("Christmas Eve Eve")
else:
  print("Christmas Eve Eve Eve")

D = int(input())

if D == 25:
  print('Christmas')
elif D == 24:
  print('Christmas Eve')
elif D == 23:
  print('Christmas Eve Eve')
else:
  print('Christmas Eve Eve Eve')

d=input()
if d=='25':
  print('Christmas')
if d=='24':
  print('Christmas Eve')
if d=='23':
  print('Christmas Eve Eve')
if d=='22':
  print('Christmas Eve Eve Eve')

print(("Christmas"+" Eve"*(25-int(input()))))


d=int(input())
print('Christmas'+' Eve'*(25-d))

#ABC115A
d = int(input())
print("Christmas" + " Eve"*(25-d))

D=int(input())
if D==25:
  print("Christmas")
elif D==24:
  print("Christmas Eve")
elif D==23:
  print("Christmas Eve Eve")
else:
  print("Christmas Eve Eve Eve")


d = int(input())
if(d==25):
  print("Christmas")
elif(d==24):
  print("Christmas Eve")
elif(d==23):
  print("Christmas Eve Eve")
else:
  print("Christmas Eve Eve Eve")

d=int(input())
d=25-d
print('Christmas',end=' ')

for i in range(0,d):
  print('Eve',end=' ')


d = int(input())
if d == 25:
    print('Christmas')
elif d == 24:
    print('Christmas Eve')
elif d == 23:
    print('Christmas Eve Eve')
else:
    print('Christmas Eve Eve Eve')

print("Christmas "+str(25%int(input())*"Eve "))

a = int(input())
ans = 'Christmas' + ' Eve' * (25-a)
print(ans)


d=int(input())
print("Christmas"+" Eve"*(25-d))

a=input()
a=int(a)
if a==25:
  print("Christmas")
if a==24:
  print("Christmas Eve")
if a==23:
  print("Christmas Eve Eve")
if a==22:
  print("Christmas Eve Eve Eve")

d = int(input())
s = "Christmas"
e = " Eve"
print(s+e*(25-d))

D = int(input())
if D == 25:
    print('Christmas')
elif D == 24:
    print('Christmas Eve')
elif D == 23:
    print('Christmas Eve Eve')
elif D == 22:
    print('Christmas Eve Eve Eve')

christmas_day = 25
d = int(input())
print("Christmas", " Eve" * (christmas_day - d))

s="Christmas"
d=int(input())
t=25-d
print(s+" Eve"*t)

n=input()
if n=="25":
     print("Christmas") 
elif n=="24":
     print("Christmas Eve") 
elif n=="23": 
      print("Christmas Eve Eve") 
elif n=="22": 
      print("Christmas Eve Eve Eve") 

d = int(input())

if d == 25:
  print('Christmas')
elif d == 24:
  print('Christmas Eve')
elif d == 23:
  print('Christmas Eve Eve')
else:
  print('Christmas Eve Eve Eve')

D=int(input())
if D==25:
    print("Christmas")
elif D==24:
    print("Christmas Eve")
elif D==23:
    print("Christmas Eve Eve")
else:
    print("Christmas Eve Eve Eve")

a = int(input())
if a == 25:
  print("Christmas")
elif a == 24:
  print("Christmas Eve")
elif a == 23:
  print("Christmas Eve Eve")
elif a == 22:
  print("Christmas Eve Eve Eve")

d=int(input())
if d==25:
  print('Christmas')
elif d==24:
  print('Christmas Eve')
elif d==23:
  print('Christmas Eve Eve')
else:
  print('Christmas Eve Eve Eve')

dict={25:"Christmas",24:"Christmas Eve",23:"Christmas Eve Eve",22:"Christmas Eve Eve Eve"}
print((dict[int(input())]))


d = int(input())

if d == 25:
    print('Christmas')
if d == 24:
    print('Christmas Eve')
if d == 23:
    print('Christmas Eve Eve')
if d == 22:
    print('Christmas Eve Eve Eve')


D=int(input())

ans=["Christmas Eve Eve Eve","Christmas Eve Eve","Christmas Eve","Christmas"]

print(ans[D-22])

import math
import collections
from itertools import product

ii = lambda : int(input())
mi = lambda : map(int,input().split())
li = lambda : list(map(int,input().split()))

d = ii()
if d == 25:
    print("Christmas")
elif d == 24:
    print("Christmas Eve")
elif d == 23:
    print("Christmas Eve Eve")
elif d == 22:
    print("Christmas Eve Eve Eve")

d = int(input())
a = 'Christmas'
b = ' Eve'
if d == 25:
    print(a)
elif d == 24:
    print(a + b)
elif d == 23:
    print(a + b * 2)
else:
    print(a + b * 3)

print("Christmas"+" Eve"*(25-int(input())))

d = int(input())
Eve = ' Eve'
print('Christmas'+Eve*(25-d))

a = int(input())
if a == 22:
  print("Christmas Eve Eve Eve")
elif a == 23:
  print("Christmas Eve Eve")
elif a == 24:
  print("Christmas Eve")
else:
  print("Christmas")



a = int(input())
if a == 22:
  print('Christmas Eve Eve Eve')
elif a == 23:
  print('Christmas Eve Eve')
elif a == 24:
  print('Christmas Eve')
else:
  print('Christmas')

d = int(input())
if d == 25:
  print("Christmas")
elif d == 24:
  print("Christmas Eve")
elif d == 23:
  print("Christmas Eve Eve")
else:
  print("Christmas Eve Eve Eve")

d = int(input())
s = "Christmas"
for _ in range(25-d):
  s += " Eve"
print(s)

d = input()
if d == "25":
  print("Christmas")
elif d == "24":
  print("Christmas Eve")
elif d == "23":
  print("Christmas Eve Eve")
else:
  print("Christmas Eve Eve Eve")

print("Christmas"+" Eve"*(25-int(input())))

D = int(input())
if D==25:
    print('Christmas')
elif D==24:
    print('Christmas Eve')
elif D==23:
    print('Christmas Eve Eve') 
elif D==22:
    print('Christmas Eve Eve Eve')


D = int(input())
if D == 25:
  print("Christmas")
elif D == 24:
  print("Christmas Eve")
elif D == 23:
  print("Christmas Eve Eve")
else:
  print("Christmas Eve Eve Eve")

print("Christmas"+" Eve"*(25-int(input())))

d=int(input())

if d==25:
    ans="Christmas"
elif d==24:
    ans="Christmas Eve"
elif d==23:
    ans="Christmas Eve Eve"
else:
    ans="Christmas Eve Eve Eve"
    
print(ans)


def main():
    n = int(input())
    if n == 22: print("Christmas Eve Eve Eve")
    if n == 23: print("Christmas Eve Eve")
    if n == 24: print("Christmas Eve")
    if n == 25: print("Christmas")

main()

d = int(input())
e = 25 - d
print("Christmas"+" Eve"*e)

D = int(input())
if D == 25:
  print("Christmas")
elif D == 24:
  print("Christmas Eve")
elif D == 23:
  print("Christmas"+" Eve"*2)
else:
  print("Christmas"+" Eve"*3)

N = int(input())
Ans = "Christmas"
for i in range(25,N,-1):
    Ans += " Eve"
print(Ans)

print('Christmas' + ' Eve' * (25 - int(input())))

d = int(input())
day = {25: 'Christmas', 24: 'Christmas Eve', 23: 'Christmas Eve Eve', 22: 'Christmas Eve Eve Eve'}
print(day[d])

D = int(input())
a = "Christmas "
b = "Eve "
print(a+b*(25-D))

n = int(input())

if n == 25:
    print("Christmas")
elif n == 24:
    print("Christmas Eve")
elif n == 23:
    print("Christmas Eve Eve")
elif n == 22:
    print("Christmas Eve Eve Eve")

d = {25: 'Christmas', 24: 'Christmas Eve', 23: 'Christmas Eve Eve', 22: 'Christmas Eve Eve Eve'}
print((d[int(input())]))


x = int(input())
print("Christmas"+" Eve"*(25-x))

a = int(input())
if a == 22:
  print('Christmas Eve Eve Eve')
elif a == 23:
  print('Christmas Eve Eve')
elif a == 24:
  print('Christmas Eve')
elif a == 25:
  print('Christmas')

d = int(input())
ans = 'Christmas' + ' Eve' * (25 - d)
print(ans)

print("Christmas"+" Eve"*(25-int(input())))

d=int(input())
if d==22:
  print("Christmas Eve Eve Eve")
elif d==23:
  print("Christmas Eve Eve")
elif d==24:
  print("Christmas Eve")
elif d==25:
  print("Christmas")

d=int(input())
c="Christmas"
e="Eve"
if d==25:
  print(c)
elif d==24:
  print(c,e)
elif d==23:
  print(c,e,e)
elif d==22:
  print(c,e,e,e)

d = int(input())
if d == 25:
    print('Christmas')
elif d == 24:
    print('Christmas Eve')
elif d == 23:
    print('Christmas Eve Eve')
else:
    print('Christmas Eve Eve Eve')

D = int(input())
print('Christmas'+' Eve'*(25-D))

d=int(input())
if d==25:
  print("Christmas")
elif d==24:
  print("Christmas Eve")
elif d==23:
  print("Christmas Eve Eve")
else:
  print("Christmas Eve Eve Eve")

n = int(input())

if n ==25:
    print("Christmas")

elif n ==24:
    print("Christmas Eve")

elif n ==23:
    print("Christmas Eve Eve")

else:
    print("Christmas Eve Eve Eve")

print(('Christmas' + ' Eve'*(25-int(input()))))


D=int(input())
if D==22:
    print("Christmas Eve Eve Eve")
elif D==23:
    print("Christmas Eve Eve")
elif D==24:
    print("Christmas Eve")
elif D==25:
    print("Christmas")

d = int(input())
if d == 25:
    print('Christmas')
elif d == 24:
    print('Christmas Eve')
elif d == 23:
    print('Christmas Eve Eve')
else:
    print('Christmas Eve Eve Eve')

S=input()
if S=='25':
  print("Christmas")
if S=='24':
  print("Christmas Eve")
if S=='23':
  print("Christmas Eve Eve")
if S=='22':
  print("Christmas Eve Eve Eve")


d = int(input())

if d == 25:
    print("Christmas")
elif d == 24:
    print("Christmas Eve")
elif d == 23:
    print("Christmas Eve Eve")
else:
    print("Christmas Eve Eve Eve")

D = int(input())

if D == 25:
    print('Christmas')
elif D == 24:
    print('Christmas Eve')
elif D == 23:
    print('Christmas Eve Eve')
elif D == 22:
    print('Christmas Eve Eve Eve')


D = int(input())
ans = 'Christmas'
for i in range(25-D):
    ans += ' Eve'
print(ans)

N = int(input())
if N==25:print("Christmas")
elif N==24:print("Christmas Eve")
elif N==23:print("Christmas Eve Eve")
else : print("Christmas Eve Eve Eve")

D = int(input())

if D == 25:
    print('Christmas')
elif D == 24:
    print('Christmas Eve')
elif D == 23:
    print('Christmas Eve Eve')
else:
    print('Christmas Eve Eve Eve')

d = int(input())
if d == 25:
    print("Christmas")
elif d == 24:
    print("Christmas Eve")
elif d == 23:
    print("Christmas Eve Eve")
elif d == 22:
    print("Christmas Eve Eve Eve")

import sys

read = sys.stdin.read
readline = sys.stdin.readline
readlines = sys.stdin.readlines
sys.setrecursionlimit(10 ** 9)
INF = 1 << 60
MOD = 1000000007


def main():
    D = int(readline())

    if D == 25:
        ans = 'Christmas'
    elif D == 24:
        ans = 'Christmas Eve'
    elif D == 23:
        ans = 'Christmas Eve Eve'
    else:
        ans = 'Christmas Eve Eve Eve'

    print(ans)
    return


def __starting_point():
    main()

__starting_point()

d = int(input())
print("Christmas " + "Eve " * (5 - d%20))

d = int(input())
 
if d == 25:
  print('Christmas')
elif d == 24:
  print('Christmas Eve')
elif d == 23:
  print('Christmas Eve Eve')
else:
  print('Christmas Eve Eve Eve')

D = input()
a = {'25':'Christmas', '24':'Christmas Eve', '23':'Christmas Eve Eve', '22':'Christmas Eve Eve Eve'}
print(a[D])

day = int(input())

if day == 22:
    print('Christmas Eve Eve Eve')
elif day == 23:
    print('Christmas Eve Eve')
elif day == 24:
    print('Christmas Eve')
elif day == 25:
    print('Christmas')


D = int(input())

if D == 22:
  print('Christmas Eve Eve Eve')
elif D == 23:
  print('Christmas Eve Eve')
elif D == 24:
  print('Christmas Eve')
else:
  print('Christmas')

D=int(input())
print("Christmas Eve Eve Eve" if D==22 else "Christmas Eve Eve" if D==23 else "Christmas Eve" if D==24 else "Christmas")

N=int(input())
if N==25:
   print("Christmas")
elif N==24:
   print("Christmas Eve")
elif N==23:
   print("Christmas Eve Eve")
else:
   print("Christmas Eve Eve Eve")