3 3 20
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5 5
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 1 10 10
1 19
2 12
2 8
2 16
2 2
2 4
1 9
2 18
2 14
2 10
 10 10 10
2 6
17 7
5 19
14 14
10 10
16 2
6 10
7 17
18 2
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 10 10 10
12 10
8 4
10 8
15 13
11 11
8 6
9 19
13 19
6 4
19 19
 3 3 20
5 5
6 6
6 6
6 2
6 4
6 6
6 6
5 3
5 5
6 4
6 2
5 1
5 1
6 6
6 6
6 2
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6 4
5 3
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 3 3 20
1 1
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2 12
2 18
2 4
2 8
2 20
2 2
2 6
2 14
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4 6
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7 15
20 18
3 19
11 17
9 17
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 10 10 10
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14 12
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8 6
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12 2
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 1 1 100
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5 13
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2 6
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2 4
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1 17
1 9
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2 10
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10 6
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2 12
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6 6
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4 6
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1 15
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1 7
2 14
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1 15
1 19
2 6
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1 13

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#include <bits/stdc++.h>
using namespace std;
const int mod = 1e9 + 7;
vector<int> is, js, ans;
bool check(int cur) {
  vector<pair<int, int> > L, R;
  for (int i = 0; i <= cur; i++) {
    int x = is[i], y = js[i];
    if (x & 1) {
      x++;
      y++;
      x /= 2;
      y /= 2;
      L.push_back(make_pair(x, y));
    } else {
      x /= 2;
      y /= 2;
      R.push_back(make_pair(x, y));
    }
  }
  sort(L.begin(), L.end());
  sort(R.begin(), R.end());
  int li = 0, miny = 200001;
  for (pair<int, int> r : R) {
    while (li < L.size() && r.first >= L[li].first)
      miny = min(miny, L[li++].second);
    if (r.second >= miny) return false;
  }
  return true;
}
void bin_search(int start, int end) {
  if (start > end) return;
  int mid = (start + end) / 2;
  if (check(mid)) {
    ans[mid] = 1;
    bin_search(mid + 1, end);
  } else {
    ans[mid] = 0;
    bin_search(start, mid - 1);
  }
}
int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(NULL);
  int n, m, q;
  cin >> n >> m >> q;
  is.resize(q);
  js.resize(q);
  ans.assign(q, 1);
  for (int ti = 0; ti < q; ti++) cin >> is[ti] >> js[ti];
  bin_search(0, q - 1);
  bool out = true;
  for (int a : ans) {
    if (a == 0) out = false;
    if (out)
      cout << "YES\n";
    else
      cout << "NO\n";
  }
  return 0;
}
