Character recognition software is widely used to digitise printed texts. Thus the texts can be edited, searched and stored on a computer.
When documents (especially pretty old ones written with a typewriter), are digitised character recognition softwares often make mistakes.
Your task is correct the errors in the digitised text. You only have to handle the following mistakes:
S
is misinterpreted as5
O
is misinterpreted as0
I
is misinterpreted as1
The test cases contain numbers only by mistake.