#include <iostream>
#include <vector>

int main() {
    std::ios::sync_with_stdio(false);
    std::cin.tie(nullptr);

    int Q;
    std::cin >> Q;

    std::vector<char> stk;
    stk.reserve(static_cast<size_t>(Q + 3));

    std::vector<int> collapse_hist;

    auto collapse_all = [&]() {
        int k = 0;
        while (stk.size() >= 3) {
            const size_t n = stk.size();
            if (stk[n - 3] == '(' && stk[n - 2] == '|' && stk[n - 1] == ')') {
                stk.resize(n - 3);
                ++k;
            } else {
                break;
            }
        }
        return k;
    };

    for (int qi = 0; qi < Q; ++qi) {
        int ty;
        std::cin >> ty;
        if (ty == 1) {
            char c;
            std::cin >> c;
            stk.push_back(c);
            collapse_hist.push_back(collapse_all());
        } else {
            int k = collapse_hist.back();
            collapse_hist.pop_back();
            for (int i = 0; i < k; ++i) {
                stk.push_back('(');
                stk.push_back('|');
                stk.push_back(')');
            }
            stk.pop_back();
        }
        std::cout << (stk.empty() ? "Yes" : "No") << '\n';
    }
    return 0;
}