output_description: If 9 is contained in the decimal notation of N, print `Yes`; if not, print
  `No`.
  
  * * *
input_description: Input is given from Standard Input in the following format:
  
      
      
      N
attempt: a = list(input())
  if a[0] = "9" or a[1] = "9":
    print(Yes)
  else:
    print(No)
    
problem_description: Statement
  
  It is September 9 in Japan now.
  
  You are given a two-digit integer N. Answer the question: Is 9 contained in
  the decimal notation of N?
samples: [{"input": "29", "output": "Yes\n    \n\nThe one's digit of 29 is 9.\n\n* * *"}, {"input": "72", "output": "No\n    \n\n72 does not contain 9.\n\n* * *"}, {"input": "91", "output": "Yes"}]