#include <bits/stdc++.h>
using namespace std;
#ifdef LOCAL
#include "debug.h"
#else
#define debug(...) 42
#endif
const int N = 1e5, C = 26;
int n;
array<int, C> p[N];
string s, res;
void solve(int l, int r) {
if (l > r) {
return;
}
int c = s[l] - 'a';
int m = p[r][c];
if (m < l) {
cout << -1;
exit(0);
}
res[l] = '(', res[m] = ')';
solve(l + 1, m - 1);
solve(m + 1, r);
}
int main() {
ios::sync_with_stdio(false); cin.tie(nullptr);
cin >> s;
n = s.size();
p[0].fill(-1);
p[0][s[0] - 'a'] = 0;
for (int i = 1; i < n; ++i) {
for (int j = 0; j < C; ++j) {
if (j == s[i] - 'a') {
p[i][j] = i;
} else if (p[i - 1][s[i] - 'a'] > 0) {
p[i][j] = p[p[i - 1][s[i] - 'a'] - 1][j];
} else {
p[i][j] = -1;
}
}
}
res.resize(n);
solve(0, n - 1);
cout << res;
return 0;
}
