import java.io.IOException;

public class BuildProspace {
	
	public static void main(String... args) throws IOException, ProspaceException {
		ProspaceBuilder builder = new ProspaceBuilder();
		ProspaceParser<ProspaceException> parser = new ProspaceParser<ProspaceException>(builder);
		parser.parse(System.in, "UTF-8");
		System.out.println(builder.getDocument());
	}
	
}