#include <bits/stdc++.h>
using namespace std;

#ifndef ONLINE_JUDGE
#include "algo/debug.h"
#define debug(x...) cerr << "[" << #x << "] = ["; _print(x)
#else
#define debug(x...)
#endif

#define int long long

void solve() {
	int n, q;
	cin >> n >> q;

	set<pair<int, string>> spec, nor;
	map<string, int> rat;
	while (q--) {
		int op;
		cin >> op;
		if (op == 1) {
			string s; int x;
			cin >> s >> x;
			nor.insert({x, s});
			rat[s] = x;
		} else if (op == 2) {
			int x; cin >> x;
			n -= x;
		} else {
			string s;
			int x;
			cin >> s >> x;
			n += x;

			auto it = (nor.find({rat[s], s}));
			if (it != nor.end()) {
				nor.erase(it);
				spec.insert({rat[s], s});
			}
		}
		n = min(n, (int)1e9);

		while (nor.size() + spec.size() > n) {
			if (nor.size()) {
				cout << (nor.begin()->second) << "\n";
				nor.erase(nor.begin());
				continue;
			}

			if (spec.size()) {
				cout << (spec.begin() ->second) << "\n";
				spec.erase(spec.begin());
				continue;
			}
		}
	}
}

signed main() {
#ifndef ONLINE_JUDGE
	freopen("input.txt", "r", stdin);
	freopen("output.txt", "w", stdout);
#else
#endif
	ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);

	int t = 1;
	//cin >> t;

	while (t--) {
		solve();
	}

	// cerr << "Time elapsed: " << ((long double)clock() / CLOCKS_PER_SEC) << " s.\n";
}