andreagus 4a193f6e71 some exercises %!s(int64=9) %!d(string=hai) anos
..
prolog1.pl 591b056dd3 work on prolog %!s(int64=9) %!d(string=hai) anos
prolog2.pl 4a193f6e71 some exercises %!s(int64=9) %!d(string=hai) anos