#include <bits/stdc++.h>
using namespace std;
int main() {
    int q;
    cin >> q;
    string s = "";
    string t = "";
    for(int i = 0; i < q; i++){
        string query;
        cin >> query;
        if(query == "1"){
            string c;
            cin >> c;
            s += c;
            t += c;
        }else{
            s.pop_back();
            if(t.size() > 0){
                t.pop_back();
            }else{
                t = "(|";
            }
        }
        
        if(t.size() >= 3){
            if(t.substr(t.size() - 3) == "(|)"){
                t = t.substr(0, t.size() - 3);
            }
        }
        if(t == ""){
            cout << "Yes" << endl;
        }else{
            cout << "No" << endl;
        }
    }

}