output_description: Print `Yes` if w is beautiful. Print `No` otherwise.
  
  * * *
input_description: The input is given from Standard Input in the following format:
  
      
      
      w
attempt: from collections import Counter
  r = 0
  cnt = Counter(input()):
  for c in cnt:
      r += cnt[c] % 2
  if r == 0:
      print("Yes")
  else:
      print("No")
  
  
problem_description: Statement
  
  Let w be a string consisting of lowercase letters. We will call w _beautiful_
  if the following condition is satisfied:
  
    * Each lowercase letter of the English alphabet occurs even number of times in w.
  
  You are given the string w. Determine if w is beautiful.
samples: [{"input": "abaccaba", "output": "Yes\n    \n\n`a` occurs four times, `b` occurs twice, `c` occurs twice and the other\nletters occur zero times.\n\n* * *"}, {"input": "hthth", "output": "No"}]