Given the following sentence, add a comma before the coordinating conjunction and.
People wear face masks to protect themselves not only from the virus but also from the air pollution.
People wear face masks to protect themselves not only from the virus, but also from the air pollution.
Complete the following task based on the instruction and optional input provided.### Instruction:
Given the following sentence, add a comma before the coordinating conjunction and.

### Input:
People wear face masks to protect themselves not only from the virus but also from the air pollution.

### Output:
People wear face masks to protect themselves not only from the virus, but also from the air pollution.