YOU SAID:
i want to go to Maccas
INTO JAPANESE
私はMaccasに行きたい
BACK INTO ENGLISH
I want to go to Maccas
INTO JAPANESE
マクドに行きたいです。
BACK INTO ENGLISH
You want to go to McDonald's.
INTO JAPANESE
マクドナルドに行きたいです。
BACK INTO ENGLISH
You want to go to McDonald's.
That didn't even make that much sense in English.