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 (Python):
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")

Solution (Python):


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")

Solution (Python):
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")

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

Solution (Python):
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)

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

Solution (Python):
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')

Solution (Python):
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")

Solution (Python):
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')

Solution (Python):
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')

Solution (Python):
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")

Solution (Python):
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")

Solution (Python):
import math
import collections
from sys import exit
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")

Solution (Python):
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")

Solution (Python):
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")

Solution (Python):
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')

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

Solution (Python):
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")

Solution (Python):
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')

Solution (Python):
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')

Solution (Python):
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")

Solution (Python):
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')

Solution (Python):
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")

Solution (Python):
def main():
    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")


if __name__ == '__main__':
    main()

Solution (Python):
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()

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

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

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

Solution (Python):
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')

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

Solution (Python):
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')

Solution (Python):
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')

Solution (Python):
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')

Solution (Python):
import sys



def input():
    return sys.stdin.readline().strip()


def input_int():
    return int(input())


def input_int_list():
    return [int(i) for i in input().split()]


def main():
    n = input_int()
    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")
    return


if __name__ == "__main__":
    main()

Solution (Python):
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")

Solution (Python):
D = int(input())

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

print(ans)

Solution (Python):
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")

Solution (Python):
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")

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

Solution (Python):
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")

Solution (Python):
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')

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

Solution (Python):
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')

Solution (Python):
D=int(input())
s="Christmas"
e=" Eve"
if D==25:
  print(s)
  exit()
s+=e
if D==24:
  print(s)
  exit()
s+=e
if D==23:
  print(s)
  exit()
if D==22:
  print(s+e)

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

Solution (Python):

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

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

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

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

Solution (Python):
N = int(input())
check_eve=25

ans = ['Christmas']
for e in range(check_eve-N):
    ans.append('Eve')
    
print(' '.join(ans))

Solution (Python):
def main():
    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")


if __name__ == "__main__":
    main()

Solution (Python):
D = int(input())

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

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

Solution (Python):
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")

Solution (Python):

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')

Solution (Python):
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)

Solution (Python):
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")

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

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

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

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

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

Solution (Python):
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")

Solution (Python):
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")

Solution (Python):
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")

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

Solution (Python):
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')

Solution (Python):
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')

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

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

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

Solution (Python):
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)

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

Solution (Python):
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)

Solution (Python):
def resolve():
    D = int(input())
    ans = "Christmas"
    for i in range(25-D):
        ans += " Eve"
    print(ans)

if '__main__' == __name__:
    resolve()

Solution (Python):
D=int(input())
k=25-D
print('Christmas'+' Eve'*k)

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

Solution (Python):
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")

Solution (Python):
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')

Solution (Python):
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")

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

Solution (Python):
import math,string,itertools,fractions,heapq,collections,re,array,bisect,sys,random,time,copy,functools
from collections import deque

sys.setrecursionlimit(10**7)
inf = 10**20
mod = 10**9 + 7

DR = [1, -1, 0, 0]
DC = [0, 0, 1, -1]

def LI(): return [int(x) for x in sys.stdin.readline().split()]
def LI_(): return [int(x)-1 for x in sys.stdin.readline().split()]
def LF(): return [float(x) for x in sys.stdin.readline().split()]
def LS(): return sys.stdin.readline().split()
def I(): return int(sys.stdin.readline())
def F(): return float(sys.stdin.readline())
def S(): return input()
     
def main():
    D = I()
    ans = 'Christmas'
    pad = ' Eve'
    ans += (25-D) * pad
    print(ans)

main()

Solution (Python):
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")

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

Solution (Python):
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")

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

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

Solution (Python):
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')

Solution (Python):
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')

Solution (Python):
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")

Solution (Python):
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


if __name__ == '__main__':
    main()

Solution (Python):
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')

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

Solution (Python):
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")

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

Solution (Python):
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')

Solution (Python):
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")

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

Solution (Python):
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")

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

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

Solution (Python):
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")

Solution (Python):
d=int(input())
ans="Christmas"
k=25-d
ans=ans+" Eve"*k
print(ans)

Solution (Python):
d=int(input())
print("Christmas"," Eve"*(25-d))

Solution (Python):









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")

Solution (Python):
d=int(input())
print("Christmas ",end="")
if d==24: print("Eve ")
elif d==23: print("Eve "*2)
elif d==22: print("Eve "*3)

Solution (Python):
D = int(input())

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

Solution (Python):
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")

Solution (Python):


def main():
    d = int(input())
    if 22 <= d <= 25:
        print('Christmas' + ' Eve' * (25 - d))


if __name__ == "__main__":
    main()

Solution (Python):
D=int(input())
X=["Christmas"]+["Eve"]*(25-D)
print(" ".join(X))

Solution (Python):
if __name__ == '__main__':

	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")

Solution (Python):
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')

Solution (Python):
l =['Christmas'] + ['Eve']*(25-int(input()))
print(*l)

Solution (Python):
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')

Solution (Python):
D = int(input())

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

Solution (Python):
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")

Solution (Python):
import sys


stdin = sys.stdin
def ns(): return stdin.readline().rstrip()
def ni(): return int(stdin.readline().rstrip())
def nm(): return map(int, stdin.readline().split())
def nl(): return list(map(int, stdin.readline().split()))


def main():
    d = ni()
    ans = 'Christmas'
    num = 25 - d
    eve = ' Eve'
    print(ans + num * eve)


if __name__ == '__main__':
    main()

Solution (Python):
import sys


stdin = sys.stdin
def ns(): return stdin.readline().rstrip()
def ni(): return int(stdin.readline().rstrip())
def nm(): return map(int, stdin.readline().split())
def nl(): return list(map(int, stdin.readline().split()))


def main():
    d = ni()
    ans = 'Christmas'
    num = 25 - d
    eve = ' Eve'
    print(ans + num * eve)


if __name__ == '__main__':
    main()

Solution (Python):
D = int(input())
print(' '.join(['Christmas'] + ['Eve'] * (25-D)))

Solution (Python):
import sys
sys.setrecursionlimit(1 << 25)
read = sys.stdin.readline
ra = range
enu = enumerate


def exit(*argv, **kwarg):
    print(*argv, **kwarg)
    sys.exit()


def mina(*argv, sub=1): return list(map(lambda x: x - sub, argv))



def a_int(): return int(read())


def ints(): return list(map(int, read().split()))


def read_col(H):
    '''H is number of rows
    A列、B列が与えられるようなとき
    ex1)A,B=read_col(H)    ex2) A,=read_col(H) 
    ret = []
    for _ in range(H):
        ret.append(list(map(int, read().split())))
    return tuple(map(list, zip(*ret)))


def read_tuple(H):
    '''H is number of rows'''
    ret = []
    for _ in range(H):
        ret.append(tuple(map(int, read().split())))
    return ret


def read_matrix(H):
    '''H is number of rows'''
    ret = []
    for _ in range(H):
        ret.append(list(map(int, read().split())))
    return ret
    


MOD = 10**9 + 7
INF = 2**31  

from collections import defaultdict, Counter, deque
from operator import itemgetter, xor, add
from itertools import product, permutations, combinations
from bisect import bisect_left, bisect_right  
from functools import reduce
from math import gcd


def lcm(a, b):
    
    g = gcd(a, b)
    return a // g * b




print(['Christmas', 'Christmas Eve', 'Christmas Eve Eve',
       'Christmas Eve Eve Eve'][[25, 24, 23, 22].index(a_int())])

Solution (Python):
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")

Solution (Python):
D = int(input())

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

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

Solution (Python):
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")

Solution (Python):
import sys
def input(): return sys.stdin.readline().strip()
def mapint(): return map(int, input().split())
sys.setrecursionlimit(10**9)

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

Solution (Python):
D = input().strip()
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")

Solution (Python):
d = int(input())
x = 25-d
ans = "Christmas"
print(ans+" Eve"*x)

Solution (Python):
D = int(input())
print(('Christmas' + (25 - D) * ' Eve').strip())

Solution (Python):
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')

Solution (Python):
D = int(input())
ans = ['Christmas']
for i in range(25-D):
    ans.append('Eve')
print(*ans)

Solution (Python):
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')

Solution (Python):
d = int(input())

ans = ""
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)

Solution (Python):
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')

Solution (Python):
D=input()
D=int(D)

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")

Solution (Python):
D = int(input())
flg = 25
s = 'Christmas'

while flg != D:
    flg -= 1
    s += ' Eve'

print(s)

Solution (Python):
n=int(input())
print("Christmas", end=" ")
for i in range(0, 25-n):
  print("Eve", end=" ")

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

Solution (Python):
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")

Solution (Python):
n=int(input());print('Christmas',end='');print(' Eve Eve Eve' if n==22 else ' Eve Eve' if n==23 else ' Eve' if n==24 else '')

Solution (Python):
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')

Solution (Python):
import sys
read = sys.stdin.buffer.read
readline = sys.stdin.buffer.readline
readlines = sys.stdin.buffer.readlines
d = int(readline())

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

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

Solution (Python):
D = int(input())


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

Solution (Python):
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")

Solution (Python):
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')

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

Solution (Python):
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')

Solution (Python):
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")

Solution (Python):
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')

Solution (Python):
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")

Solution (Python):
n = int(input())

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

Solution (Python):
D = int(input())
eveCount = 25 - D
answer = "Christmas"
for i in range(eveCount):
    answer += " Eve"
print(answer)

Solution (Python):
D = int(input())
L = 25 - D
F ="Christmas"
    
for i in range(L):
    F += " Eve"
print(F)

Solution (Python):
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")

Solution (Python):
D = int(input())
print("Christmas", end="")
for i in range(25-D):
  print(" Eve", end="")

Solution (Python):
D=int(input())
ans=['Christmas']+['Eve']*(25-D)
print(' '.join(ans))

Solution (Python):
import bisect, collections, copy, heapq, itertools, math, string, sys
input = lambda: sys.stdin.readline().rstrip() 
sys.setrecursionlimit(10**7)
INF = float('inf')
def I(): return int(input())
def F(): return float(input())
def SS(): return input()
def LI(): return [int(x) for x in input().split()]
def LI_(): return [int(x)-1 for x in input().split()]
def LF(): return [float(x) for x in input().split()]
def LSS(): return input().split()

def resolve():
    D = I()

    d = {}
    d[22] = 'Christmas Eve Eve Eve'
    d[23] = 'Christmas Eve Eve'
    d[24] = 'Christmas Eve'
    d[25] = 'Christmas'

    print(d[D])

if __name__ == '__main__':
    resolve()

Solution (Python):
a=int(input())
print("Christmas","Eve "*(25-a))

Solution (Python):
D = int(input())
day_dict = {22:"Christmas Eve Eve Eve",
            23:"Christmas Eve Eve",
            24:"Christmas Eve",
            25:"Christmas"}

print(day_dict[D])

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

Solution (Python):
d = int(input())
c = 'Christmas'
e = ' Eve'
print(c+e*(3-d%22))

Solution (Python):
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")

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

Solution (Python):





































def calculation(lines):
    
    D = int(lines[0])
    

    if D == 22:
        result = 'Christmas Eve Eve Eve'
    elif D == 23:
        result = 'Christmas Eve Eve'
    elif D == 24:
        result = 'Christmas Eve'
    elif D == 25:
        result = 'Christmas'

    return [result]



def get_input_lines(lines_count):
    lines = list()
    for _ in range(lines_count):
        lines.append(input())
    return lines



def get_testdata(pattern):
    if pattern == 1:
        lines_input = ['25']
        lines_export = ['Christmas']
    if pattern == 2:
        lines_input = ['22']
        lines_export = ['Christmas Eve Eve Eve']
    return lines_input, lines_export



def get_mode():
    import sys
    args = sys.argv
    if len(args) == 1:
        mode = 0
    else:
        mode = int(args[1])
    return mode



def main():
    import time
    started = time.time()
    mode = get_mode()
    if mode == 0:
        lines_input = get_input_lines(1)
    else:
        lines_input, lines_export = get_testdata(mode)

    lines_result = calculation(lines_input)

    for line_result in lines_result:
        print(line_result)

    
    
    
    
    
    
    
    
    
    
    



if __name__ == '__main__':
    main()

Solution (Python):
d = int(input())
p = ['Christmas']

for i in range(25-d):
  p.append('Eve')
print(' '.join(p))

Solution (Python):
d = int(input())

print('Christmas', end='')
for i in range(25, d, -1):
    print(' Eve', end='')
print()

Solution (Python):
print("Christmas", "Eve "*(25-int(input())))

Solution (Python):
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')

Solution (Python):
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")

Solution (Python):
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')

Solution (Python):
import sys
input = lambda: sys.stdin.readline().rstrip()

def main():
    d = int(input())
    s = " Eve"
    print("Christmas" + s*(25-d))
            
if __name__ == '__main__':
    main()