import java.util.*;

public class ParenBalancingExercise {

    public static void main (String[] argv)
    {
	String s = "((()))";
	checkParens (s);

	s = "((())";
	checkParens (s);

	s = "())))";
	checkParens (s);

	s = "(()()(";
	checkParens (s);
    }


    static void checkParens (String inputStr)
    {
    }

}