main=interact$(unwords&).map read.words u&[a,b,c]=u[x%c++u['/':c%x|c%x>"1"]|x<-[a*c,a*c+b-a..b*c]] (%)x=show.div x.gcd x
Note that non-ascii characters in the above source code will be escaped (such as \x9f).
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