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: A Secret Service agent who spoke to Euins approximately twenty to thirty minutes after the assassination
Example Output: A Secret Service agent who spoke to Euins approximately 20 to 30 minutes after the assassination

Example Input: on Theodore Roosevelt while campaigning in October of nineteen twelve; on President elect Franklin Delano Roosevelt,
Example Output: on Theodore Roosevelt while campaigning in October of 1912; on President elect Franklin Delano Roosevelt,

Example Input: He then arrived on Thursday, November twenty one, nineteen sixty three, end quote.
Example Output:
He then arrived on Thursday, November 21, 1963, end quote.