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  1. read(X)
  2. even(X) :- print( 'even'), n1, fail)
  3. odd(X) :- print( 'odd'), n1, fail)
  4.  
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin
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Standard input is empty
compilation info 
prog.pl:2:1: syntax error: . or operator expected after expression
	1 error(s)
compilation failed
stdout
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Standard output is empty
https://ideone.com/Mg2k4
language:
Prolog (gprolog 1.4.5)
created:
14 years ago
visibility:
public

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