package com.company;
import java.lang.String;
import java.util.*;

public class Main {

    public static void main(String[] args) {
        Set<String> ans = new HashSet<String>();
        String ss = new String("())())");
        int n = ss.length();
        char[] s = ss.toCharArray();
        int mn = 100000;
        for (int mask = 0; mask < (1 << n); mask++)
        {
            String t = new String();
            t = "";
            ArrayList<Integer> er = new ArrayList<>();
            for (int i = 0; i < n; i++) {
                if ((s[i] == '(' || s[i] == ')') && (((mask >> i) & 1) != 0))
                    er.add(i);
            }
            Collections.reverse(er);    //reverse(er.begin(), er.end());
            int er_cnt = er.size();
            for (int i = 0; i < n; i++)
                if (!er.isEmpty() && er.get(er.size()) == i)
                    er.remove(er.size());
                else
                    t += s[i];
            int cur = 0;
            boolean ok = true;
            for (int i = 0; i < t.length(); i++)
            {
                if (t.charAt(i) == '(') cur++;
                else if (t.charAt(i) == ')') cur--;
                ok &= (cur >= 0);
            }
            ok &= (cur == 0);
            //if (er_cnt == 2 && ok) cout << t << endl;
            if (ok)
                if (er_cnt == mn)
                    ans.add(t);
                else if (er_cnt < mn)
                {
                    ans.clear();
                    mn = er_cnt;
                    ans.add(t);
                }
        }
        Iterator iter = ans.iterator();
        while (iter.hasNext()) {
            System.out.println(iter.next());
        }
        System.out.println("lol");
    }
}