//BitLexer
import gi.*;

class BitLexer extends Lexicon {

	BitLexer() throws Exception {
		put("a", expression("0|1"));
		put("b", expression("1(01)+"));
		put("c", expression("01*"));

		debug = LEXICAL;
	}

	public static void main(String[] arguments) throws Exception {
		new BitLexer().interpret(arguments);
	}
}