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: import os
  import sys
  
  import numpy as np
  
  
  def solve(inp):
      def bit_add(arr, n, i, x):
          while i <= n:
              arr[i] += x
              i += i & -i
  
      def bit_sum(arr, i):
          result = 0
          while i > 0:
              result += arr[i]
              i ^= i & -i
          return result
  
      if inp[0] >= 30:
          return "Yes"
      else:
          return "No"
  
  
  if sys.argv[-1] == "ONLINE_JUDGE":
      from numba.pycc import CC
  
      cc = CC("my_module")
      cc.export("solve", "(i8[:],)")(solve)
      cc.compile()
      exit()
  
  if os.name == "posix":
      # noinspection PyUnresolvedReferences
      from my_module import solve
  else:
      from numba import njit
  
      solve = njit("(i8[:],)", cache=True)(solve)
      print("compiled", file=sys.stderr)
  
  inp = np.fromstring(sys.stdin.read(), dtype=np.int64, sep=" ")
  ans = solve(inp)
  print("\n".join(map(str, ans)))
  
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"}]