666

#include <iostream>
#include <stack>
#include <vector>
#include <string>
using namespace std;

int main() {
    string s;
    getline(cin, s);
    stack<int> stk;
    vector<pair<int, int>> result;
    
    for (int i = 0; i < s.size(); i++) {
        if (s[i] == '(') {
            stk.push(i);
        } else {
            int left = stk.top();
            stk.pop();
            result.emplace_back(left, i);
        }
    }
    
    for (auto &p : result) {
        cout << p.first << " " << p.second << endl;
    }
    return 0;
}