import org.antlr.runtime.*;
public class Main {
public static void main(String[] args) throws Exception {
CharStream input = new ANTLRFileStream(args[0]);
SimpleLexer lex = new SimpleLexer(input);
CommonTokenStream tokens = new CommonTokenStream(lex);
//System.out.println("tokens="+tokens);
SimpleParser parser = new SimpleParser(tokens);
parser.program();
}
}