I hope these links will suggest a suitable approach.
To get each item in a collection:
For Each Action
How to parse User Input space-separated string to a For Each action?
Hex to decimal:
To add the commas:
I hope these links will suggest a suitable approach.
To get each item in a collection:
For Each Action
How to parse User Input space-separated string to a For Each action?
Hex to decimal:
To add the commas: