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1 2 | is_odd(X) :- mod(X,2)=1. is_even(X) :- mod(X,2)=0. |
aXNfb2RkKFgpIDotIG1vZChYLDIpPTEuCmlzX2V2ZW4oWCkgOi0gbW9kKFgsMik9MC4=
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upload with new input
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result: Success time: 0.02s memory: 68352 kB returned value: 0
?-is_odd(4) ?-is_odd
GNU Prolog 1.3.1 By Daniel Diaz Copyright (C) 1999-2009 Daniel Diaz uncaught exception: error(syntax_error('user_input:1 (char:3) . or operator expected after expression'),read_term/3)