#include <bits/stdc++.h>
using namespace std;

signed main() {
#ifndef LOCAL
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
#else
    freopen("input.txt", "r", stdin);
    freopen("output.txt", "w", stdout);
#endif
    string s;
    cin >> s;
    int n = (int)s.size();
    string t = s;

    vector<int> q;
    for (int i = 0; i < n; i++) {
        if (!q.empty() && s[q.back()] == s[i]) {
            t[i] = ')';
            q.pop_back();
        } else {
            t[i] = '(';
            q.push_back(i);
        }
    }

    if (!q.empty()) {
        cout << -1 << '\n';
    } else {
        vector<int> cnt(26);
        for (int i = 0; i < n; i++) {
            cnt[s[i] - 'a'] += 1;
        }
        vector<int> cur(26);
        for (int i = 0; i < n; i++) {
            cur[s[i] - 'a'] += 1;
            if (cur[s[i] - 'a'] <= cnt[s[i] - 'a'] / 2) {
                cout << '('; 
            } else {
                cout << ')';
            }
        }
        cout << '\n';
    }
    return 0;
}