new_contents: import math
  
  def fibonacci(x):
      sqrt5 = math.sqrt(5)
      return int((pow((1 + sqrt5) / 2, x) - pow((1 - sqrt5) / 2, x)) / sqrt5)
  
  if __name__ == "__main__":
      k = 15
      print fibonacci(2 * k) * fibonacci(2 * k + 1)
  
  
  
  
subject: add 137