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

#define rep(i, n) for (int i = 0; i < (int)n; i++)

int main() {
  int n, q;
  cin >> n >> q;
  set<pair<int, string>> user, used;
  map<string, int> member;
  rep(i, q) {
    int d;
    cin >> d;
    if (d == 1) {
      string s;
      int r;
      cin >> s >> r;
      user.insert({r, s});
      member[s] = r;
    }
    if (d == 2) {
      int x;
      cin >> x;
      n -= x;
    }
    if (d == 3) {
      string s;
      int x;
      cin >> s >> x;
      used.insert({member[s], s});
      n += x;
    }
    auto it = user.begin();
    while (it != user.end() && (int)user.size() > n) {
      if (used.find(*it) == used.end()) {
	cout << it->second << endl;
	user.erase(it);
      }
      it++;
    }
    it = user.begin();
    auto itu = used.begin();
    while (it != user.end() && (int)user.size() > n) {
      cout << it->second << endl;
      user.erase(it);
      it++;
      if (itu != used.end()) {
	used.erase(itu);
	itu++;
      }
    }
  }
  return 0;
}