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

#define rep(i, a, b) for (int i = a; i < b; i++)
using ll = long long;

int main(){
	int n, k, q;
	cin >> n >> k >> q;
	multiset<ll> sl, sh;
	rep(i, 0, n) {
		int a;
		cin >> a;
		int sz = sl.size();
		if(sz < k) sl.insert(a);
		else {
			ll e = *prev(sl.end());
			if(a < e) {
				sl.insert(a);
				sh.insert(e);
				sl.erase(prev(sl.end()));
			}
			else sh.insert(a);
		}
	}
	rep(qi, 0, q) {
		int t, x, y;
		cin >> t;
		if(t == 1) {
			cin >> x;
			ll e = *prev(sl.end());
			if(x < e) {
				sl.insert(x);
				sh.insert(e);
				sl.erase(prev(sl.end()));
			}
			else sh.insert(x);
		}
		else if(t == 2) {
			cin >> y;
			ll e = *prev(sl.end());
			sh.insert(e + y);
			sl.erase(prev(sl.end()));
			sl.insert(*sh.begin());
			sh.erase(sh.begin());
		}
		else cout << *prev(sl.end()) << endl;
	}
}