/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static String reverseParentheses(String s) {
        StringBuilder str = new StringBuilder(s);
        if(s.contains("(")){
            while(str.indexOf("(") != (-1)){
                int begin = str.lastIndexOf("(");
                int end = str.indexOf(")");
                String t = reverse(str.substring(begin + 1, end));
                int count = 0;
                for(int i = begin + 1; i < end;i++){
                    str.setCharAt(i, t.charAt(count++));
                }
                str.setCharAt(begin,' ');
                str.setCharAt(end, ' ');
            }
            System.out.println(str);
            return str.toString().replaceAll(" ", "");
        }else{
            return reverse(s);
        }
 
    }
    public static String reverse(String s){
        return new StringBuffer(s).reverse().toString();
    }
 
	public static void main (String[] args) throws java.lang.Exception
	{
		System.out.println(reverseParentheses("a(ab)(dc)"));
	}
}

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