[type]
Lexer

[grammar]
lexer grammar L;
I : [0-9]+ {<writeln("\"I\"")>} ;
WS : [ \n]+ -> skip ;

[input]
"""34 """

[output]
I
[@0,0:1='34',<1>,1:0]
[@1,3:2='<EOF>',<-1>,1:3]