#MY, 3 bytes
MY also has a builtin for this!
Hex:
1F 67 27 Unimplemented Codepage:
⎕⍋↵ ###How?
Evaluated input, grade up, then output with a newline.
Indexed however you set the index, with ⌶/0x48. (Can even be some weird integer like -1 or 2, the default is 1).