Siverfale
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You need to switch, because this guy reduced the chances of hitting the empty slot in the drum, as if you pull the trigger, you won't be able to hit that empty slot anymore. I hope I explained it clearly.
I solved this problem in 8th grade; it's called the Monty Hall paradox.
Where do we go?
Where do we end up when we save the world?
Where do we end up when we save the world?