I don't know what to do. ^_^

I am a 16 years old girl and in school, there are two people have been stalking me recently. I confronted them and asked them what is their problem. I faced them personally to find out was the reason but they didnt give me any reply. Instead, they told me how they felt to me. I am confused between these two boys. By the way, they are my classmates but we rarely talk to each other. So, I don't think I have those feelings. What should I do by not hurting their feeling? How can I tell them that I am not interested in having a real relationship? I am stucked. Please help me.