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
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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 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 1
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2 2
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2 2
2 2
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2 2
2 2
1 1
2 2
2 2
1 1
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1 1
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1 1
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1 1
1 1
1 1
2 2
1 1
1 1
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1 1
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1 1
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1 1
1 1
1 1
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2 2
1 1
1 1
2 2
1 1
2 2
2 2
2 2
1 1
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2 2
2 2
2 2
2 2
1 1
1 1
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2 2
2 2
1 1
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2 2
1 1
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2 2
 1 10 10
1 15
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2 16
1 17
2 4
2 2
2 8
1 11
2 10
2 6
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10 2
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19 17
8 8
5 3
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12 12
2 16
5 19
2 4
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2 4
2 4
1 3
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3 3
2 4
3 3
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3 1
1 3
3 3
2 2
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4 2
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1 1
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 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
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2 4
2 6
1 3
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1 3
2 6
2 2
2 2
1 1
2 2
2 6
1 5
1 3
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2 4
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1 3
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 10 10 10
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8 8
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13 17
 1 10 10
2 16
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2 18
2 12
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2 14
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1 3
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1 1
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1 1
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1 1
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1 1
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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
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1 1
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1 1
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2 2
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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
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1 3
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1 1
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1 1
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2 2
 3 3 20
1 1
3 1
1 1
1 1
5 1
3 5
1 3
4 4
1 1
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4 4
4 6
1 3
3 5
6 6
1 1
6 6
1 1
3 3
4 6
 10 10 10
7 19
14 8
15 13
6 6
10 8
18 6
3 1
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8 10
12 12
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4 4
18 20
11 9
1 15
2 2
14 6
2 12
17 9
11 13
8 2
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4 2
6 4
1 3
4 2
6 4
2 2
2 4
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
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1 1
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1 1
1 1
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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;
struct Q {
  int x, y, z;
};
const int N = 2e5 + 5;
vector<int> fen[N], sum[N];
long long ct[N];
set<tuple<int, int, int>> st;
void addValue(int x, int y) {
  for (; x < N; x |= x + 1) {
    fen[x].push_back(y);
  }
}
void upd(int i, int x, int z) {
  x = lower_bound(fen[i].begin(), fen[i].end(), x) - fen[i].begin();
  for (; x < fen[i].size(); x |= x + 1) {
    sum[i][x] += z;
  }
}
void upd2d(int x, int y, int z) {
  for (; x < N; x |= x + 1) {
    upd(x, y, z);
  }
}
int que(int i, int x) {
  x = upper_bound(fen[i].begin(), fen[i].end(), x) - fen[i].begin();
  if (x == 0) return 0;
  x--;
  int s = 0;
  for (; x >= 0; x = (x & (x + 1)) - 1) {
    s += sum[i][x];
  }
  return s;
}
int que2d(int x, int y) {
  int s = 0;
  for (; x < N; x |= x + 1) s += que(x, y);
  return s;
}
void solve(vector<Q> qr, bool rev = false) {
  st.clear();
  for (int i = 0; i < N; i++) {
    fen[i].clear();
    sum[i].clear();
  }
  for (const Q &g : qr) {
    if (g.z == 0) addValue(g.x, g.y);
  }
  for (int i = 0; i < N; i++) {
    sort(fen[i].begin(), fen[i].end());
    fen[i].erase(unique(fen[i].begin(), fen[i].end()), fen[i].end());
    sum[i].resize(fen[i].size());
  }
  long long cur = 0;
  for (int i = 0; i < qr.size(); i++) {
    const Q &g = qr[i];
    tuple<int, int, int> p = {g.x, g.y, g.z};
    if (g.z == 0) {
      if (st.count(p)) {
        upd2d(g.x, g.y, -1);
        st.erase(p);
      } else {
        upd2d(g.x, g.y, 1);
        st.insert(p);
      }
    } else {
      if (st.count(p)) {
        cur -= que2d(g.x, g.y);
        st.erase(p);
      } else {
        cur += que2d(g.x, g.y);
        st.insert(p);
      }
    }
    ct[i] += cur;
  }
}
int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(NULL);
  int n, m, q;
  cin >> n >> m >> q;
  vector<Q> qr[2];
  for (int i = 0; i < q; i++) {
    int x, y;
    cin >> x >> y;
    x--, y--;
    qr[0].push_back({x / 2, y / 2, x % 2});
    qr[1].push_back({n - 1 - x / 2, m - y / 2 - 1, x % 2 ^ 1});
  }
  solve(qr[0]);
  solve(qr[1]);
  for (int i = 0; i < q; i++) {
    cout << (ct[i] ? "NO" : "YES") << "\n";
  }
  return 0;
}
