output_description: Print the specified string (case-sensitive).
  
  * * *
input_description: Input is given from Standard Input in the following format:
  
      
      
      D
attempt: in_t = input().split()
  n = int(in_t[0])
  k = int(in_t[1])
  list = []
  for i in range(k):
      list.append(int(input()))
  for i in range(n - k):
      new = int(input())
      if (list[k - 1] > new) | (new > list[2]):
          list.append(new)
          list.sort()
          diff_max = list[k - 1] - list[k - 2]
          diff_min = list[1] - list[2]
          if diff_max > diff_min:
              list.remove(list[0])
          else:
              list.remove(list[k - 1])
  print(list[k - 1] - list[0])
  
problem_description: 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.
samples: [{"input": "25", "output": "Christmas\n    \n\n* * *"}, {"input": "22", "output": "Christmas Eve Eve Eve\n    \n\nBe sure to print spaces between the words."}]