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  1. require'mathn'
  2. n=gets.to_i
  3. a=1
  4. (a+=2;a.prime?&&(a+2).prime?&&n-=1)while n>0
  5. $><<"#{a}, #{a+2}"
  6.  
Success #stdin #stdout 0.03s 7852KB
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11, 13
https://ideone.com/B2wxnG
language:
Ruby (ruby 2.5.5)
created:
9 years ago
visibility:
secret

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