In this task, you are given a date in a particular format and you need to convert to another format. If given format is "dd/mm/yyyy" then convert to "mm/dd/yyyy". If given format is "mm/dd/yyyy" then convert to "dd/mm/yyyy".

Example Input: 25/07/1707, input_format=dd/mm/yyyy
Example Output: 07/25/1707

Example Input: 01/11/1868, input_format=mm/dd/yyyy
Example Output: 11/01/1868

Example Input: 18/04/2007, input_format=dd/mm/yyyy
Example Output:
04/18/2007