Do u think i have ocd??

I have many different symptoms: turning lights on and off repeatedly, hav to make sur socks r right befor putting on tennis shoes, feel dirty if someone's feet touch me, if I feel like I touch the key wrong wen typing I hav to retype it, I have to do everything in 3s, wen I read I hav to read things ovr and ovr again, if my parents are back late I think something bad has happened to them, I hav to chek to c if the doors r locke these are just some of the symptoms please help!!!