3 3 20
4 4
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2 2
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5 5
2 2
2 2
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5 5
5 5
3 5
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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
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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
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1 1
2 2
2 2
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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1 1
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 1 10 10
1 15
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2 16
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2 8
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8 8
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1 15
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2 14
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8 4
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7 17
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1 1
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1 5
2 6
1 1
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1 3
2 6
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2 6
2 2
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1 1
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1 1
2 6
1 5
2 4
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2 6
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2 6
2 4
2 2
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2 6
2 4
1 3
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2 6
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12 8
7 13
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3 5
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9 9
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5 13
 2 3 20
1 3
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2 4
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1 1
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1 1
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1 1
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2 6
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6 2
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1 5
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2 6
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1 5
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1 19
3 17
12 4
16 20
5 19
5 17
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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
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2 6
5 9
5 15
1 19
6 6
8 4
11 9
13 11
4 6
10 2
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16 2
12 6
8 2
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3 15
6 6
7 17
4 16
11 9
2 6
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9 19
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20 18
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2 2
11 13
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3 15
 1 2 1
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1 7
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1 11
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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;
long long power(long long a, long long b, long long md) {
  return (!b ? 1
             : (b & 1 ? a * power(a * a % md, b / 2, md) % md
                      : power(a * a % md, b / 2, md) % md));
}
const int xn = 2e5 + 10;
const int xm = -20 + 10;
const int SQ = 320;
const int sq = 320 + 10;
const int inf = 1e9 + 10;
const long long INF = 1e18 + 10;
const int MOD = 1e9 + 7;
const int TM = 3;
const int BASE = 257;
int n, m, q, seg[2][xn << 2];
set<int> st[2][xn];
bool ans;
void build(int id, int l, int r, bool flag) {
  if (r - l == 1) {
    seg[flag][id] = inf;
    return;
  }
  int mid = l + r >> 1;
  build(id << 1, l, mid, flag);
  build(id << 1 | 1, mid, r, flag);
  seg[flag][id] = inf;
}
void modify(int id, int l, int r, int pos, int val, bool flag) {
  if (r - l == 1) {
    seg[flag][id] = min(seg[flag][id], val);
    return;
  }
  int mid = l + r >> 1;
  if (pos < mid)
    modify(id << 1, l, mid, pos, val, flag);
  else
    modify(id << 1 | 1, mid, r, pos, val, flag);
  seg[flag][id] = min(seg[flag][id << 1], seg[flag][id << 1 | 1]);
}
int get(int id, int l, int r, int ql, int qr, bool flag) {
  if (qr <= l || r <= ql) return inf;
  if (ql <= l && r <= qr) return seg[flag][id];
  int mid = l + r >> 1;
  return min(get(id << 1, l, mid, ql, qr, flag),
             get(id << 1 | 1, mid, r, ql, qr, flag));
}
int main() {
  ios::sync_with_stdio(0);
  cin.tie(0);
  cout.tie(0);
  ;
  cin >> n >> m >> q;
  for (int i = 0; i < 2; ++i) build(1, 0, xn, i);
  while (q--) {
    int x, y;
    cin >> x >> y;
    bool flag = x % 2;
    int X = x;
    int Y = y;
    x = (x + 1) / 2;
    y = (y + 1) / 2;
    if (flag) {
      int a = -get(1, 0, xn, x, n + 1, !flag);
      modify(1, 0, xn, x, y, flag);
      ans |= (a >= y);
    } else {
      int a = get(1, 0, xn, 1, x + 1, !flag);
      modify(1, 0, xn, x, -y, flag);
      ans |= (a <= y);
    }
    if (ans)
      cout << "NO" << '\n';
    else
      cout << "YES" << '\n';
  }
  return 0;
}
