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: 02/11/1610, input_format=dd/mm/yyyy
Example Output: 11/02/1610

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

Example Input: 12/02/1645, input_format=dd/mm/yyyy
Example Output:
02/12/1645