output_description: Print `Yes` if you will turn on the air conditioner; print `No` otherwise.
  
  * * *
input_description: Input is given from Standard Input in the following format:
  
      
      
      X
attempt: x = int(input(()))
  print(["No", "Yes"][x >= 30])
  
problem_description: Statement
  
  You will turn on the air conditioner if, and only if, the temperature of the
  room is 30 degrees Celsius or above.
  
  The current temperature of the room is X degrees Celsius. Will you turn on the
  air conditioner?
samples: [{"input": "25", "output": "No\n    \n\n* * *"}, {"input": "30", "output": "Yes"}]