using namespace std;
int main()
{
    int n; cin >> n;
    vector<int> soldiers;
    for(int i=0; i<n; i++)
    {
        int cmd,param;
        cin >> cmd >> param;
        if(cmd == 1)
        {
            vector<int>::iterator pos = upper_bound(soldiers.begin(), soldiers.end(), -param);
            pos = soldiers.insert(pos, -param);
            cout << pos - soldiers.begin() << endl;
        }
        else
        {
            soldiers.erase(soldiers.begin()+param);
        }
    }
}