Cheated on.. what to do..

My boyfriend cheated on me. I know the other two girls he was talking to. Should I say something to either of them or leave it alone?

Update: right now I’m pretty sure they are together... he won’t answer my texts. Im not texting in a demeaning or demoralizing way more of a hey let’s use this so we can both grow from the situation and also asking for closure.

Also I’m not looking to force him to come back to me. I don’t care if they are together however, if my boyfriend was lying to me and talking to other girls I would want to know.. I’m would want to do it as more of a heads up than anything. I’m not going to tear him down I just felt like she(they) need know