You should definitely inform this to your parents and take proper treatment . If the bleeding is there then apply pressure at the bleeding site with sterile thing ( if nothing there the apply pressure with clean hand/finger )for few minutes . generall bleeding should stop if it doesn't then rush to casualty . If stopped then apply betadine
and clean your glans
n penil shaft and latter apply neosporine / betadine ointment under sterile precaution and visit to surgery clinic for further treatment .
So in my opinion dont ignore it otherwise it may led to complication in later stage of life.
Thanks n regards