Is there a platform where I can choose which order in what I want stocks to sell?

So for example let's say I bought 5 shares of Company A at $100.

The price drops down to $90, and I buy 5 more shares at $90. The price then rises to $95, and I want to sell the shares that I got at $90 for a $5 profit per share.

I know this might seem convoluted, and I'm probably investing wrong, but it makes sense in my head. Just wanted to know if there was something like this? Thank you!