The task is to read a passage and convert numbers in their text forms into digit forms. The text numbers can be used to represent Quantity, Dates and Time, Addresses or Positions.

Example input: Jacob ate three burgers today.
Example output: Jacob ate 3 burgers today.
Example explanation: The number in text form three is converted into the number in digit form 3.
Q: or on another specially erected on some commanding spot, had fallen into disuse by eighteen thirty two.
A:
or on another specially erected on some commanding spot, had fallen into disuse by 1832.