#include <bits/stdc++.h>
using namespace std;
constexpr long long MOD = 1e9 + 7;
struct {
  int val, lazy;
} tree[4 * 1000010];
int bal(int p) { return tree[p].val + tree[p].lazy; }
void ins(int S, int val, int L = 1, int R = 1000000, int p = 1) {
  if (S < L || R < 1) return;
  if (1 <= L && R <= S) {
    tree[p].lazy += val;
    return;
  }
  tree[2 * p].lazy += tree[p].lazy;
  tree[2 * p + 1].lazy += tree[p].lazy;
  tree[p].lazy = 0;
  int M = (L + R) / 2;
  ins(S, val, L, M, 2 * p);
  ins(S, val, M + 1, R, 2 * p + 1);
  tree[p].val = max(bal(2 * p), bal(2 * p + 1));
}
int query(int L = 1, int R = 1000000, int p = 1) {
  if (L == R) {
    return bal(p) > 0 ? L : -1;
  }
  int M = (L + R) / 2;
  tree[2 * p].lazy += tree[p].lazy;
  tree[2 * p + 1].lazy += tree[p].lazy;
  tree[p].val += tree[p].lazy;
  tree[p].lazy = 0;
  if (bal(2 * p + 1) > 0) return query(M + 1, R, 2 * p + 1);
  return query(L, M, 2 * p);
}
int main() {
  int n, m;
  scanf("%d%d", &n, &m);
  vector<int> a[2];
  for (int i = 0; i < n; ++i) {
    int x;
    scanf("%d", &x);
    a[0].push_back(x);
    ins(x, 1);
  }
  for (int i = 0; i < m; ++i) {
    int x;
    scanf("%d", &x);
    a[1].push_back(x);
    ins(x, -1);
  }
  int q;
  scanf("%d", &q);
  while (q--) {
    int idx, i, x;
    scanf("%d%d%d", &idx, &i, &x);
    --i;
    --idx;
    if (idx == 0) {
      ins(a[idx][i], -1);
      ins(x, 1);
    } else {
      ins(a[idx][i], 1);
      ins(x, -1);
    }
    a[idx][i] = x;
    printf("%d\n", query());
  }
  return 0;
}
