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: About two blocks later, a woman asked to get off to make a one o'clock train at Union Station
Example Output: About two blocks later, a woman asked to get off to make a 1 o'clock train at Union Station

Example Input: (four) carried the rifle into the Depository Building, concealed in the bag;
Example Output: (4) carried the rifle into the Depository Building, concealed in the bag;

Example Input: that the committee of eighteen sixty three fully endorsed Sir Joshua's recommendations as regards a "hard bed," and recommended that
Example Output:
that the committee of 1863 fully endorsed Sir Joshua's recommendations as regards a "hard bed," and recommended that