Encode a message using a Caesar cipher with key 5.
The secret is hidden in the attic
Ymj zfyjsl rpryaj dwjr hz nywjx
Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
Encode a message using a Caesar cipher with key 5.

### Response:
Ymj zfyjsl rpryaj dwjr hz nywjx