#include <bits/stdc++.h>
#include <atcoder/all>
using namespace std;
using namespace atcoder;
using mint = modint998244353;
//using mint = modint1000000007;
typedef long long ll;
typedef pair<ll, ll> P;
typedef tuple<ll, ll, ll> T;
template<typename T>bool chmax(T& a, const T& b) { if (a < b) { a = b;return true; } else { return false; } }
template<typename T>bool chmin(T& a, const T& b) { if (a > b) { a = b;return true; } else { return false; } }
template<class... Args> void dbg(Args&&... args) { ((cout << args << ' '), ...);cout << '\n'; }

const int di[] = { -1,0,1,0 };
const int dj[] = { 0,-1,0,1 };
const long long INF = 6000000000000000000;
const int inf = 1001001001;


int main(void) {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    int n, k, q; cin >> n >> k >> q;
    priority_queue<ll> pqs;
    priority_queue<ll, vector<ll>, greater<ll>> pqb;
    vector<int> a(n, 0);
    for (int i = 0; i < n; i++) {
        cin >> a[i];
    }
    sort(a.begin(), a.end());

    for (int i = 0; i < n; i++) {
        if (i < k)pqs.emplace(a[i]);
        else pqb.emplace(a[i]);
    }
    pqb.emplace(INF);
    while (q--) {
        int r; cin >> r;
        if (r == 1) {
            ll x; cin >> x;
            ll v = pqs.top();
            if (v <= x)pqb.emplace(x);
            else {
                pqb.emplace(v);pqs.pop();
                pqs.emplace(x);
            }
        }
        else if (r == 2) {
            ll x; cin >> x;
            ll u = pqs.top();pqs.pop();
            x += u;

            ll v = pqb.top();
            if (v >= x)pqs.emplace(x);
            else {
                pqs.emplace(v);pqb.pop();
                pqb.emplace(x);
            }
        }
        else {
            cout << pqs.top() << "\n";
        }
    }
}