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

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#include <bits/stdc++.h>
using namespace std;
const double pi = acos(-1.0);
const double pii = 2 * pi;
const double eps = 1e-6;
const long long MOD = 1e9 + 7;
void eq(int ind, vector<bool>& st, int l, int r, int index, bool val) {
  if (index < l || r < index) return;
  if (l == r && index == l) {
    st[ind] = val;
    return;
  }
  eq(2 * ind + 1, st, l, (l + r) / 2, index, val);
  eq(2 * ind + 2, st, (l + r) / 2 + 1, r, index, val);
  st[ind] = (st[2 * ind + 1] && st[2 * ind + 2]);
}
void f1(int n, int m, int x, int y, vector<bool>& st, vector<bool>& arr,
        vector<pair<int, int>>& cnt, map<pair<int, int>, int>& ht) {
  int xValid = x / 2, val;
  if (ht.find({x, y}) == ht.end()) ht[{x, y}] = 0;
  ht[{x, y}] = (ht[{x, y}] + 1) % 2;
  if (ht[{x, y}] == 1)
    val = 1;
  else
    val = -1;
  if (y % 2 == 0) {
    cnt[xValid].second += val;
  } else
    cnt[xValid].first += val;
  arr[xValid] = (x % 2 == 0 ? cnt[xValid].second == 0 : cnt[xValid].first == 0);
  eq(0, st, 0, n - 1, xValid, arr[xValid]);
}
void f1(int n, int m, int q, vector<pair<int, int>>& xy, vector<bool>& q1) {
  map<pair<int, int>, int> ht;
  int lim = 1;
  while (2 * n >= lim) lim *= 2;
  vector<pair<int, int>> odd_arr_cnt(n, {0, 0}), even_arr_cnt(n, {0, 0});
  vector<bool> odd_arr(n, true), even_arr(n, true);
  vector<bool> odd_st(lim, true), even_st(lim, true);
  for (int i = 0; i < q; i++) {
    if (xy[i].first % 2 == 1) {
      f1(n, m, xy[i].first, xy[i].second, odd_st, odd_arr, odd_arr_cnt, ht);
    } else {
      f1(n, m, xy[i].first, xy[i].second, even_st, even_arr, even_arr_cnt, ht);
    }
    q1[i] = (even_st[0] || odd_st[0]);
  }
}
void solve() {
  int n, m, q;
  cin >> n >> m >> q;
  vector<bool> quer(q, false), q1(q, false), q2(q, false);
  vector<pair<int, int>> xy(q, {0, 0}), yx(q, {0, 0});
  for (int i = 0; i < q; i++) {
    int x, y;
    cin >> x >> y;
    x--;
    y--;
    xy[i] = {x, y};
    yx[i] = {y, x};
  }
  f1(n, m, q, xy, q1);
  f1(m, n, q, yx, q2);
  for (int i = 0; i < q; i++) quer[i] = (q1[i] || q2[i]);
  for (int i = 0; i < q; i++) cout << (quer[i] ? "YES\n" : "NO\n");
}
int main() {
  std::ios::sync_with_stdio(false);
  std::cin.tie(NULL);
  std::cout.tie(NULL);
  solve();
  return 0;
}
