new_contents: # import matplotlib.pyplot as plt
  
  def u(n):
      f = lambda x: int(2 ** (30.403243784 - x * x)) * 1e-9
      return -1 if n == 0 else f(u(n - 1))
  
  if __name__ == "__main__":
      i = 0
      while abs(u(i + 2) - u(i)) > 1e-10:
          i += 101
      print u(i) + u(i + 1)
  
subject: add 197