#include <bits/stdc++.h>
#include <atcoder/all>
#include <algorithm>
#include <iostream>
#include <iomanip>
#include <math.h>
#include <random>
#include <chrono>
#include <cstdint>


using namespace std;
using namespace atcoder;
// using mint = modint998244353;
using mint = modint1000000007;
using vi = vector<int>;
using vvi = vector<vector<int>>;
using vl = vector<long long>;
using vvl = vector<vector<long long>>;
using ll = long long;
template <class T> using max_heap = priority_queue<T>;
template <class T> using min_heap = priority_queue<T, vector<T>, greater<>>;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
#define rep2(i, f, n) for (int i = (int) f; i < (int)(n); i++)
#define repd(i, n, l) for (int i = (int) n; i >= (int) l; i--)
#define all(p) p.begin(),p.end()
vector<pair<int, int>> dydx{{-1, 0}, {1, 0}, {0, -1 }, {0, 1}};
const ll inf = 1LL << 60;
void print(){ putchar(' '); }
void print(bool a){ printf("%d", a); }
void print(int a){ printf("%d", a); }
void print(unsigned a){ printf("%u", a); }
void print(long a){ printf("%ld", a); }
void print(long long a){ printf("%lld", a); }
void print(unsigned long long a){ printf("%llu", a); }
void print(char a){ printf("%c", a); }
void print(char a[]){ printf("%s", a); }
void print(const char a[]){ printf("%s", a); }
void print(float a){ printf("%.15f", a); }
void print(double a){ printf("%.15f", a); }
void print(long double a){ printf("%.15Lf", a); }
void print(const string& a){ for(auto&& i : a) print(i); }
template<class T> void print(const complex<T>& a){ if(a.real() >= 0) print('+'); print(a.real()); if(a.imag() >= 0) print('+'); print(a.imag()); print('i'); }
template<class T> void print(const vector<T>&);
template<class T, size_t size> void print(const array<T, size>&);
template<class T, class L> void print(const pair<T, L>& p);
template<class T, size_t size> void print(const T (&)[size]);
template<class T> void print(const vector<T>& a){ if(a.empty()) return; print(a[0]); for(auto i = a.begin(); ++i != a.end(); ){ putchar(' '); print(*i); } }
template<class T> void print(const deque<T>& a){ if(a.empty()) return; print(a[0]); for(auto i = a.begin(); ++i != a.end(); ){ putchar(' '); print(*i); } }
template<class T, size_t size> void print(const array<T, size>& a){ print(a[0]); for(auto i = a.begin(); ++i != a.end(); ){ putchar(' '); print(*i); } }
template<class T, class L> void print(const pair<T, L>& p){ print(p.first); putchar(' '); print(p.second); }
template<class T, size_t size> void print(const T (&a)[size]){ print(a[0]); for(auto i = a; ++i != end(a); ){ putchar(' '); print(*i); } }
template<class T> void print(const T& a){ cout << a; }


int main() {
    int n, q;
    cin >> n >> q;
    min_heap<pair<int, string>> h1;
    min_heap<pair<int, string>> h2;
    unordered_map<string, bool> mp;
    int cnt = 0;
    while (q--){
        int t;
        cin >> t;
        if (t == 1){
            string s;int r;
            cin >> s >> r;
            mp[s] = false;
            h1.push({r, s});
            cnt++;
        } else if (t == 2){
            int x;cin >> x;
            n -= x;
            
        } else if (t == 3){
            string s; int x;
            cin >> s >> x;
            n += x;
            mp[s] = true;
        }
        while (!h1.empty() && cnt > n){
                int r = h1.top().first;
                string c = h1.top().second;
                h1.pop();
                if (!mp[c]){
                    cout << c << endl;
                    cnt--;
                } else {
                    h2.push({r, c});
                }
        }
        while (!h2.empty() && cnt > n){
            int r = h2.top().first;
            string c = h2.top().second;
            cout << c << endl;
            cnt--;
        }
    }
    return 0;
}