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

int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    int n, k, q;
    cin >> n >> k >> q;
    priority_queue<ll> pq;
    priority_queue<ll, vector<ll>, greater<ll>> pq2;
    pq2.emplace(1ll << 60);
    int v;
    for(int i = 0; i < n; i++){
        cin >> v;
        pq.emplace(v);
    }
    auto update = [&](){
        while(pq.size() > k){
            int v = pq.top();
            pq.pop();
            pq2.emplace(v);
        }
        while(pq.top() > pq2.top()){
            int v = pq.top();
            pq.pop();
            int v2 = pq2.top();
            pq2.pop();
            pq.emplace(v2);
            pq2.emplace(v);
        }
    };
    update();
    while(q--){
        int cmd;
        cin >> cmd;
        if(cmd == 1){
            int x;
            cin >> x;
            pq.emplace(x);
            update();
        }else if(cmd == 2){
            int y;
            cin >> y;
            ll v = pq.top();
            pq.pop();
            pq.emplace(v + y);
            update();
        }else{
            cout << pq.top() << '\n';
        }
    }
}