I'm 12 and kids at school Bragg about there penis size is my penis size normal for a 12 year old?

I'm wondering if my penis is a normal size for a 12 year old its 3 in. soft and 5 in. Hard?

i think thats normal , when you turn 14 it will become bigger as 5 in. soft and 7in. hard . masturbate everyday it will help you too grow your penis size faster