What is this on my penis ?

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hello friends, i am Veer. i am From India,delhi. i am 22 year old boy. I had a unprotected sex with a stranger Women on 10 February 2022.After 20 days, I notice seeing this type of brown Spot Type on my penis. There is no pain in this. I think it will eventually become a warts. Do genital warts start like this in the beginning?Please advise me what is it?

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