output_description: Print the string after the conversion.
  
  * * *
input_description: The input is given from Standard Input in the following format:
  
      
      
      s
attempt: ks = input()
  k, s = [int(x) for x in ks.split(" ")]
  comb = []
  for x in range(k + 1)[::-1]:
      for y in range(min(x + 1, s - x))[::-1]:
          z = s - x - y
          if x <= k and y <= k and z <= k and y <= x and z <= x and y <= z:
              comb.append([x, y, z])
  count = 0
  for c in comb:
      l = len(set(c))
      if l == 1:
          count += 1
      elif l == 2:
          count += 3
      else:
          count += 6
  
problem_description: Statement
  
  As a New Year's gift, Dolphin received a string s of length 19.  
  The string s has the following format: `[five lowercase English
  letters],[seven lowercase English letters],[five lowercase English letters]`.  
  Dolphin wants to convert the comma-separated string s into a space-separated
  string.  
  Write a program to perform the conversion for him.
samples: [{"input": "happy,newyear,enjoy", "output": "happy newyear enjoy\n    \n\nReplace all the commas in `happy,newyear,enjoy` with spaces to obtain `happy\nnewyear enjoy`.\n\n* * *"}, {"input": "haiku,atcoder,tasks", "output": "haiku atcoder tasks\n    \n\n* * *"}, {"input": "abcde,fghihgf,edcba", "output": "abcde fghihgf edcba"}]