#include <bits/stdc++.h>
using namespace std;
int n, m, q;
std::vector<int> val(500005);
std::map<int, pair<int, int> > edges;
std::vector<pair<int, int> > query(500005);
int vis[500005];
int par[500005];
set<pair<int, int> > ss[500005];
int sz[500005];
std::vector<pair<int, int> > changes[500005];
int st[500005], en[500005];
int getpar(int x) {
  if (par[x] == x)
    return x;
  else
    return getpar(par[x]);
}
void merge(int n1, int n2, int idx) {
  int p1 = getpar(n1);
  int p2 = getpar(n2);
  if (p1 == p2) return;
  if (sz[p1] > sz[p2]) swap(p1, p2);
  sz[p2] += sz[p1];
  sz[p1] = 0;
  for (auto i : ss[p1]) {
    ss[p2].insert(i);
  }
  par[p1] = p2;
  if (idx != -1) {
    st[idx] = p1;
    en[idx] = p2;
    for (auto i : ss[p1]) {
      changes[idx].push_back(i);
    }
  }
  ss[p1].clear();
}
int getans(int node) {
  int pp = getpar(node);
  pair<int, int> zz = *(ss[pp].rbegin());
  cout << zz.first << '\n';
  auto it = ss[pp].rbegin();
  ss[pp].erase(zz);
  val[zz.second] = 0;
  ss[pp].insert({val[zz.second], zz.second});
  return zz.first;
}
int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(0);
  cout.tie(0);
  cin >> n >> m >> q;
  for (int i = 1; i < n + 1; i++) {
    cin >> val[i];
    sz[i] = 1;
    par[i] = i;
    ss[par[i]].insert({val[i], i});
  }
  for (int i = 1; i < m + 1; i++) {
    int x, y;
    cin >> x >> y;
    edges[i] = {x, y};
  }
  for (int i = 1; i < q + 1; i++) {
    cin >> query[i].first >> query[i].second;
    if (query[i].first == 2) {
      vis[query[i].second] = 1;
    }
  }
  for (int i = 1; i < m + 1; i++) {
    if (!vis[i]) {
      merge(edges[i].first, edges[i].second, -1);
    }
  }
  for (int i = q; i >= 1; i--) {
    if (query[i].first == 2) {
      merge(edges[query[i].second].first, edges[query[i].second].second, i);
    }
  }
  for (int i = 1; i < q + 1; i++) {
    if (query[i].first == 1) {
      getans(query[i].second);
    } else {
      int st1 = st[i];
      int en1 = en[i];
      ss[st1].clear();
      for (auto j : changes[i]) {
        ss[st1].insert({val[j.second], j.second});
        ss[en1].erase({val[j.second], j.second});
      }
      par[st1] = st1;
    }
  }
}
