#include <bits/stdc++.h>
using namespace std;
string s, sol;
vector<int> pos[26];
bool solve(int l, int r) {
if (l > r)
return true;
auto ptr = upper_bound(pos[(int)s[l]].begin(), pos[(int)s[l]].end(), l);
if (ptr == pos[(int)s[l]].end())
return true;
int p = *ptr;
if (p > r)
return false;
// printf("%d %d\n", l, r);
sol[l] = '(';
sol[p] = ')';
return (solve(l + 1, p - 1) & solve(p + 1, r));
}
int main() {
int n;
cin >> s;
n = s.size();
sol.resize(n);
for (int i = 0; i < n; i++) {
s[i] -= 'a';
pos[(int)s[i]].push_back(i);
}
bool isSol = solve(0, n - 1);
if (isSol)
cout << sol << "\n";
else
cout << "-1\n";
return 0;
}
