[antlr-interest] How to distinguish between integer an binary number?

[Mario Prada]

I need to distinguish between integer an binary number in my grammar.<P>
In Lexer I have this code:
<P>
<font size=2><pre>
BINARIO : (BIN_DIGIT)+;
INT :   DIGIT+ ;
fragment BIN_DIGIT
: '0'|'1';
fragment DIGIT
    :    '0'..'9';
</pre></font>
<P>
and in Parser, when I have a grammar rule with an INT token, it seems to
work, but this error appears:
<P>
mismatched input '1' expecting INT
<P>
How can I solve this problem?

Thanks in advance.

-- 
Mario Prada Arroyo
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