Color Scheme

I am creating a report using the MAP visualization but I have a question. On the map I have latitude and longitude points, but I only want the points to have two colors red and green. The data is coming from an excel spreadsheet and when i import it into Power BI map the points all have different colors. I know I can manually enter each data point to green or red but my question is, is there any other way I can do this without doing each point manually? Do I have to create a code?

Thanks,