A lot of dots on my penis(lower end) all over

Patient: I am a 17 year old boy and i don’t know why but i have a lot of dots on my penis down section all over and they are really big compared to normal dots but they don’t pain.I want to ask that should i go to a skin specialist for these dots treatment or to a urologist or any other doc. please tell me.I am scared about them because i thought that they will go in a few days but its a year now and i think it might be cancer please help meand tell me which medicine or cream should i use to cure them.