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: 15/08/2018, input_format=dd/mm/yyyy
Example Output: 08/15/2018

Example Input: 01/07/1673, input_format=mm/dd/yyyy
Example Output: 07/01/1673

Example Input: 04/25/1845, input_format=mm/dd/yyyy
Example Output:
25/04/1845

