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  1.  
  2. USING: io kernel math math.parser ;
  3.  
  4. readln string>number
  5.  
  6. dup ( x -- x x )
  7. *
  8. 3
  9. *
  10.  
  11.  
  12. number>string print
Success #stdin #stdout 0.18s 163968KB
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stdout
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https://ideone.com/hx6nB
language:
Factor (factor-0.93)
created:
14 years ago
visibility:
public

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