How to hug a guy much taller than you / how do guys like to be hugged?

OK so I'm pretty small (5'3) and most of my guy friends are quite tall so sometimes its a little awkward to give hugs. Should I put my arms around their neck? waist? or how do you guys like to be hugged? (just as a friend)
How to hug a guy much taller than you / how do guys like to be hugged?
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