Rule jknudcgjvoqaohjh

[id: jknudcgjvoqaohjh] input(is $x an odd number?)
  && $answer = eval(yesno(odd(bigint($x))))
  => output($answer)

Loaded as

[id: jknudcgjvoqaohjh] input(is $x a odd number?|is $x an odd number?) && $answer = eval(yesno(odd(bigint($x)))) => output($answer)