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  1. (define (fib n)
  2. (define (fibaux v l c) (if (= c n) v (fibaux (+ v l) v (+ c 1))))
  3. (fibaux 0 1 0))
  4.  
  5. (write (fib (read)))
  6.  
Success #stdin #stdout 0.01s 4176KB
stdin
500
stdout
139423224561697880139724382870407283950070256587697307264108962948325571622863290691557658876222521294125