#include <bits/stdc++.h>
using namespace std;
int main() {
  ios_base::sync_with_stdio(0);
  cin.tie(0);
  cout.tie(0);
  string s;
  cin >> s;
  queue<int> v1;
  deque<int> v2;
  for (int i = 0; i < s.size(); i++) {
    if (s[i] == '(')
      v1.push(i);
    else {
      v2.push_front(i);
    }
  }
  int k = 0;
  vector<int> res;
  while (!v1.empty() && !v2.empty()) {
    if (v1.front() > v2.front()) {
      v1.pop();
      v2.pop_front();
      continue;
    }
    k += 2;
    res.push_back(v2.front());
    res.push_back(v1.front());
    v1.pop();
    v2.pop_front();
  }
  sort(res.begin(), res.end());
  if (k == 0) return cout << 0, 0;
  cout << 1 << '\n';
  cout << k << '\n';
  for (auto i : res) cout << i + 1 << " ";
}
