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Ruby solution Sikachu! 3rd November, 2008 16:19 (UTC)

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I don't know that this is out of the rule or not, since I didn't use bitwise operator, just 'peak' the last bit. but here's Ruby solution.

def even(number); number[ 0 ] == 0 end

I founded out that Ruby allows me to do this, so can this be the way to go? :P