#include <iostream>
#include <set>
#include <map>

using namespace std;

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

    int N, Q, i, r, x;
    string s;
    char t;
    set<pair<int, string>> priority, member;
    map<string, int> rating;
    cin >> N >> Q;

    for (i = 0; i != Q; ++i)
    {
        cin >> t;
        switch (t)
        {
        case '1':
            cin >> s >> r;
            member.emplace(r, s), rating.insert({ s, r });
            if (priority.size() + member.size() > N)
            {
                if (!member.empty())
                {
                    cout << member.begin()->second << '\n';
                    rating.erase(rating.find(member.begin()->second));
                    member.erase(member.begin());
                }
                else
                {
                    cout << priority.begin()->second << '\n';
                    rating.erase(rating.find(priority.begin()->second));
                    priority.erase(priority.begin());
                }
            }
            break;

        case '2':
            cin >> x;
            N -= x;
            while (priority.size() + member.size() > N)
            {
                if (!member.empty())
                {
                    cout << member.begin()->second << '\n';
                    rating.erase(rating.find(member.begin()->second));
                    member.erase(member.begin());
                }
                else
                {
                    cout << priority.begin()->second << '\n';
                    rating.erase(rating.find(priority.begin()->second));
                    priority.erase(priority.begin());
                }
            }
            break;

        case '3':
            cin >> s >> x;
            N += x;

            if (member.find(make_pair(rating[s], s)) != member.end())
            {
                priority.emplace(rating[s], s);
                member.erase(member.find(make_pair(rating[s], s)));
            }
            break;
        }
    }

    return 0;
}