////////////////////////////// Author:eldaee, coder_viper!!!!!!!!!!!!!!!!!!!!!!!!11
#pragma GCC optimize ("Ofast")
#include <bits/stdc++.h>
#define int long long
#define str string
#define vec vector
#define dou double
#define ld long double
#define pb push_back
#define ppb pop_back
#define eb emplace_back
#define YES cout << "YES" << '\n'
#define Yes cout << "Yes" << '\n'
#define NO cout << "NO" << '\n'
#define No cout << "No" << '\n'
#define gcd __gcd
#define all(x) x.begin(),x.end()
#define eldaee ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
/*
*/
using namespace std;
signed main()
{
eldaee
str s;
cin >> s;
int n = (int) s.size();
vector<vector<int>> v(26);
for (int i = 0; i < n; i++) {
v[s[i] - 'a'].pb(i);
}
for (int i = 0; i < 26; i++) {
if (v[i].size() % 2 != 0) {
cout << -1 << "\n";
return 0;
}
}
str res(n, ' ');
for (int c = 0; c < 26; c++) {
auto& p = v[c];
int k = (int) p.size();
for (int i = 0; i < k / 2; i++) {
int l = p[i];
int r = p[k - 1 - i];
res[l] = '(';
res[r] = ')';
}
}
cout << res << "\n";
}
