output_description: Print the specified string (case-sensitive).
  
  * * *
input_description: Input is given from Standard Input in the following format:
  
      
      
      D
attempt: #!/usr/bin/env python3
  
  
  def main():
      (*N,) = map(int, open(0).read().split())
      h = N[2:]
      K = N[1]
      N = N[0]
  
      D = [[] for i in range(0, N)]
      for i in range(0, N):
          for j in range(0, N):
              if not i == j:
                  D[i].append(abs(h[i] - h[j]))
          D[i].sort()
  
      ans = max(h) - min(h)
      for i in range(0, N):
          tmp = sum(D[i][0 : K - 1])
          if tmp < ans:
              ans = tmp
  
      print(ans)
  
  
  main()
  
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."}]