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: W = str(input())
  if W.count("a") % 2 == 0:
      if W.count("b") % 2 == 0:
          if W.count("c") % 2 == 0:
              if W.count("d") % 2 == 0:
                  if W.count("e") % 2 == 0:
                      if W.count("f") % 2 == 0:
                          if W.count("g") % 2 == 0:
                              if W.count("h") % 2 == 0:
                                  if W.count("i") % 2 == 0:
                                      if W.count("j") % 2 == 0:
                                          if W.count("k") % 2 == 0:
                                              if W.count("l") % 2 == 0:
                                                  if W.count("m") % 2 == 0:
                                                      if W.count("n") % 2 == 0:
                                                          if W.count("o") % 2 == 0:
                                                              if W.count("p") % 2 == 0:
                                                                  if (
                                                                      W.count("q") % 2
                                                                      == 0
                                                                  ):
                                                                      if (
                                                                          W.count("r") % 2
                                                                          == 0
                                                                      ):
                                                                          if (
                                                                              W.count("s")
                                                                              % 2
                                                                              == 0
                                                                          ):
                                                                              if (
                                                                                  W.count(
                                                                                      "t"
                                                                                  )
                                                                                  % 2
                                                                                  == 0
                                                                              ):
                                                                                  if (
                                                                                      W.count(
                                                                                          "u"
                                                                                      )
                                                                                      % 2
                                                                                      == 0
                                                                                  ):
                                                                                      if (
                                                                                          W.count(
                                                                                              "v"
                                                                                          )
                                                                                          % 2
                                                                                          == 0
                                                                                      ):
                                                                                          if (
                                                                                              W.count(
                                                                                                  "w"
                                                                                              )
                                                                                              % 2
                                                                                              == 0
                                                                                          ):
                                                                                              if (
                                                                                                  W.count(
                                                                                                      "x"
                                                                                                  )
                                                                                                  % 2
                                                                                                  == 0
                                                                                              ):
                                                                                                  if (
                                                                                                      W.count(
                                                                                                          "y"
                                                                                                      )
                                                                                                      % 2
                                                                                                      == 0
                                                                                                  ):
                                                                                                      if (
                                                                                                          W.count(
                                                                                                              "z"
                                                                                                          )
                                                                                                          % 2
                                                                                                          == 0
                                                                                                      ):
                                                                                                          print(
                                                                                                              "Yes"
                                                                                                          )
                                                                                                          exit()
  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"}]