#include <bits/stdc++.h>
using namespace std;
const long long mod = 1000000007;
int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  cout.tie(0);
  string s;
  cin >> s;
  int n = s.size();
  vector<int> seq(n + 1, 0);
  vector<int> ind;
  for (int i = 1; i <= n; i++) {
    if (s[i - 1] == ')' || s[i - 1] == '#') {
      seq[i] = seq[i - 1] - 1;
      if (s[i - 1] == '#') {
        ind.push_back(i - 1);
      }
    } else {
      seq[i] = seq[i - 1] + 1;
    }
    if (seq[i] < 0) {
      cout << -1 << endl;
      return 0;
    }
  }
  if (seq[n] == 0) {
    for (int i = 0; i < ind.size(); i++) {
      cout << 1 << endl;
    }
  } else {
    seq[ind[ind.size() - 1]] -= seq[n];
    int val = seq[n];
    for (int i = ind[ind.size() - 1] + 1; i <= n; i++) {
      if (s[i - 1] == ')' || s[i - 1] == '#') {
        seq[i] = seq[i - 1] - 1;
      } else {
        seq[i] = seq[i - 1] + 1;
      }
      if (seq[i] < 0) {
        cout << -1 << endl;
        return 0;
      }
    }
    for (int i = 0; i < (int)ind.size() - 1; i++) {
      cout << 1 << endl;
    }
    cout << 1 + val << endl;
  }
  return 0;
}
