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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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 1
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2 2
1 1
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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
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2 2
1 1
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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
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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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1 3
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2 4
4 2
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1 19
1 17
2 2
2 10
1 15
2 8
2 6
2 16
2 14
2 4
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8 4
2 4
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7 17
6 6
1 1
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2 2
1 1
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1 1
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1 1
1 1
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1 1
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2 2
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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
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2 2
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2 6
1 5
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2 4
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1 3
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2 4
2 6
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2 6
2 2
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2 4
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 10 10 10
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13 17
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2 16
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2 10
2 4
2 18
2 12
2 6
2 14
2 2
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1 3
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2 4
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 1
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1 1
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1 3
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2 2
1 1
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1 1
1 3
1 1
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2 4
2 4
2 2
1 3
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1 1
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1 1
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2 4
2 4
2 2
2 2
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 3
1 3
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1 1
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1 3
1 3
1 1
1 1
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1 3
1 1
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2 2
 3 3 20
1 1
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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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1 1
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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
 10 10 10
4 4
18 20
11 9
1 15
2 2
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2 12
17 9
11 13
8 2
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4 2
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1 3
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2 2
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1 3
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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
2 2
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 long long INF = 9223372036854775807;
const long long MOD = 1000000007;
const long double PI = acos(-1);
long long power(long long a, long long b, long long z = MOD) {
  long long res = 1;
  a = (a % z);
  while (b) {
    if (b & 1) res = (res * a) % z;
    a = (a * a) % z;
    b = b >> 1;
  }
  return res;
}
long long inverse(long long a, long long z = MOD) { return power(a, z - 2, z); }
long long extend(long long a, long long b, long long &x, long long &y) {
  if (b == 0) {
    x = 1;
    y = 0;
    return a;
  }
  long long x1, y1;
  long long g = extend(b, a % b, x1, y1);
  x = y1;
  y = x1 - (a / b) * y1;
  return g;
}
long long mat_power(long long a, long long b, long long c, long long d,
                    long long n, long long z = MOD) {
  long long a0 = 1, b0 = 0, c0 = 0, d0 = 1;
  while (n) {
    if (n & 1) {
      long long a1 = a0, b1 = b0, c1 = c0, d1 = d0;
      a0 = (a1 * a + b1 * c) % z;
      b0 = (a1 * b + b1 * d) % z;
      c0 = (c1 * a + d1 * c) % z;
      d0 = (c1 * b + d1 * d) % z;
    }
    long long a1 = a, b1 = b, c1 = c, d1 = d;
    a = (a1 * a1 + b1 * c1) % z;
    b = (a1 * b1 + b1 * d1) % z;
    c = (c1 * a1 + d1 * c1) % z;
    d = (c1 * b1 + d1 * d1) % z;
    n = n >> 1;
  }
  return c0;
}
int even[200001], odd[200001];
int tree[800005][2];
void build(int node, int l, int r) {
  if (l == r) {
    tree[node][0] = even[l];
    tree[node][1] = odd[l];
  } else {
    int mid = (l + r) >> 1;
    build(2 * node, l, mid);
    build(2 * node + 1, mid + 1, r);
    tree[node][0] = max(tree[2 * node][0], tree[2 * node + 1][0]);
    tree[node][1] = min(tree[2 * node][1], tree[2 * node + 1][1]);
  }
  return;
}
void update(int node, int l, int r, int ind, int val, int loc) {
  if (ind < l || ind > r) return;
  if (l == r) {
    tree[node][loc] = val;
    return;
  }
  int mid = (l + r) >> 1;
  update(2 * node, l, mid, ind, val, loc);
  update(2 * node + 1, mid + 1, r, ind, val, loc);
  if (loc == 0)
    tree[node][loc] = max(tree[2 * node + 1][loc], tree[2 * node][loc]);
  else
    tree[node][loc] = min(tree[2 * node + 1][loc], tree[2 * node][loc]);
  return;
}
int query(int node, int l, int r, int left, int right, int loc) {
  if (r < left || right < l) {
    if (loc == 0) return 0;
    return 100000000;
  }
  if (left <= l && r <= right) return tree[node][loc];
  int mid = (l + r) >> 1;
  if (loc == 0)
    return max(query(2 * node, l, mid, left, right, loc),
               query(2 * node + 1, mid + 1, r, left, right, loc));
  if (loc == 1)
    return min(query(2 * node, l, mid, left, right, loc),
               query(2 * node + 1, mid + 1, r, left, right, loc));
}
int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(NULL);
  int n, m, q;
  cin >> n >> m >> q;
  for (int i = 0; i <= n; i++) {
    even[i] = 0;
    odd[i] = 2 * m + 1;
  }
  build(1, 1, n);
  bool ans = true;
  while (q--) {
    int x, y;
    cin >> x >> y;
    int num = (x + 1) >> 1;
    if (x & 1) {
      odd[num] = min(odd[num], y);
      update(1, 1, n, num, odd[num], 1);
    } else {
      even[num] = max(even[num], y);
      update(1, 1, n, num, even[num], 0);
    }
    int val0 = query(1, 1, n, num, n, 0);
    int val1 = query(1, 1, n, 1, num, 1);
    if (odd[num] < val0) ans = false;
    if (even[num] > val1) ans = false;
    if (ans)
      cout << "YES"
           << "\n";
    else
      cout << "NO"
           << "\n";
  }
  return 0;
}
