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

#include <atcoder/all>
using namespace atcoder;

using ll = long long;
using mint = modint998244353;

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

    int N, K, Q;
    cin >> N >> K >> Q;
    vector<int> A(N);
    for(int i = 0; i < N; i++) {
        cin >> A[i];
    }
    sort(A.begin(), A.end());

    priority_queue<int> low;
    priority_queue<int, vector<int>, greater<int>> high;
    for(int i = 0; i < N; i++) {
        if(i < K) low.push(A[i]);
        else high.push(A[i]);
    }

    while(Q--) {
        int t;
        cin >> t;
        if(t == 1) {
            ll x;
            cin >> x;

            low.push(x);
            high.push(low.top());
            low.pop();
        }else if(t == 2) {
            ll y;
            cin >> y;

            ll x = low.top();
            low.pop();

            if(!high.empty()) {
                low.push(high.top());
                high.pop();
            }

            low.push(x + y);
            high.push(low.top());
            low.pop();
        }else {
            cout << low.top() << "\n";
        }
    }
}