INPUT - a device I/O statement that reads input from the keyboard
        during program execution and stores it into a list of variables
 
Syntax
  INPUT[;]["promptstring"{;|,}]variablelist
    - variablelist is one or more variables separated by commas
    - promptstring, if used, is displayed on the screen to tell the user
      of the program what to enter at the keyboard
    - the characters ";" and "," are <DETAILS>
 
See Also  <INKEY$>
Other Uses of the INPUT Keyword
  <LINE INPUT> - to read an entire line of input from the keyboard and store
               it in one string variable
  <INPUT #> - to retrieve data items (or "fields") from a sequential file
            record and store them into a list of variables
  <LINE INPUT #> - to retrieve an entire record from a sequential file and
                 store it into one string variable