new_contents: def factorial(x):
      ret = 1
      for i in range(2, x + 1):
          ret *= i
      return ret
  
  def choose(n, k):
      return factorial(n) / factorial(k) / factorial(n - k)
  
  
  if __name__ == "__main__":
      n = 100
      print choose(n + 9, 9) + choose(n + 10, 10) - 2 - 10 * n
  
subject: add 113