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13 19
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 3 3 20
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 3 3 20
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#include <bits/stdc++.h>
using namespace std;
template <typename T>
void setmax(T& x, T y) {
  x = max(x, y);
}
template <typename T>
void setmin(T& x, T y) {
  x = min(x, y);
}
const double PI = acos(-1.0);
const long long INF = 1e9 + 47;
const long long LINF = INF * INF;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
int main() {
  ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0);
  int n, m, q;
  cin >> n >> m >> q;
  set<int> pox, poy;
  bool bad = false;
  for (int i = (0); i < (q); ++i) {
    int x, y;
    cin >> x >> y;
    --x;
    --y;
    if (pox.count(x ^ 1)) bad = true;
    if (poy.count(y ^ 1)) bad = true;
    pox.insert(x);
    poy.insert(y);
    cout << (bad ? "NO\n" : "YES\n");
  }
  cerr << "Time elapsed: " << clock() / (double)CLOCKS_PER_SEC << endl;
  return 0;
}
