#include <bits/stdc++.h>
#include <atcoder/all>
using namespace std;
using namespace atcoder;
using ll = long long;
using vi = vector<int>;
using vvi = vector<vi>;
using vl = vector<ll>;
using vvl = vector<vl>;
using vs = vector<string>;
using vp = vector<pair<int, int>>;

#define rep(i, s, n) for (int i = s; i < (int)(n); i++)
#define sz(x) ((int)(x).size())
constexpr int INFI = 1001001001;
constexpr ll INFL = (1LL << 60);

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

	// input
	ll n, k, q;
	cin >> n >> k >> q;
	priority_queue<ll> pqk;
	priority_queue<ll, vector<ll>, greater<ll>> pqs;
	rep(i, 0, n){
		ll a;
		cin >> a;
		pqs.push(a);
	}
	rep (i, 0, k - 1){
		ll a = pqs.top();
		pqs.pop();
		pqk.push(a);
	}

	rep (i, 0, q){
		int x;
		cin >> x;
		if(x == 1){
			ll y;
			cin >> y;
			if(y >= pqk.top()) pqs.push(y);
			else{
				ll a = pqk.top();
				pqk.pop();
				pqk.push(y);
				pqs.push(a);
			}
		}
		else if(x == 2){
			ll y;
			cin  >> y;
			ll z = pqs.top();
			pqs.pop();
			pqs.push(y + z);
		}
		else cout << pqs.top() << endl;
	}

	return 0;
}