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: Until April nineteen sixty, FBI activity consisted of placing in Oswald's file
Example Output: Until April 1960, FBI activity consisted of placing in Oswald's file

Example Input: Post Office Box two nine one five, Dallas, Texas, on March twenty, nineteen sixty three.
Example Output: Post Office Box 2915, Dallas, Texas, on March 20, 1963.

Example Input: two. That in my own mind I have no attachments of any kind in the U.S.
Example Output:
2. That in my own mind I have no attachments of any kind in the U.S.