#include <iostream>
#include <stack>
#include <string>

int main() {
    uint32_t _, k;
    std::cin >> _ >> k;
    std::string s;
    std::cin >> s;

    std::stack<uint32_t> st{};
    for (uint32_t i = 0; i < s.length(); ++i) {
        const uint32_t p = i + 1;
        if (s.at(i) == '(') {
            st.push(p);
        } else {
            const uint32_t t = st.top();
            if (t == k) {
                std::cout << p << std::endl;
            } else if (p == k) {
                std::cout << t << std::endl;
            }
            st.pop();
        }
    }
}