Need a good muscle building workout for a 17 year old?

I have all summer to do this in.

Equipment I have to use is 2 dumbbells, barbell and a flat bench and don't intend to buy anything else. I want to focus around my upper body. This is more a workout out to make me look good.
I don't want websites because 99% of them don't give any useful information.
Thanks for wasting my

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