3 3 20
4 4
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2 2
2 2
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5 5
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5 5
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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
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1 1
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3 1
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3 1
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4 6
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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
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 3 1 20
3 1
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4 2
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6 2
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5 1
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2 2
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6 2
2 2
6 2
 10 10 10
10 12
19 7
14 12
10 10
8 6
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12 2
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16 2
 1 1 100
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2 2
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 1 10 10
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2 16
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7 17
6 6
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2 6
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1 3
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2 6
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2 6
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2 6
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2 4
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6 6
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3 1
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1 11
2 8
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1 9
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1 15
1 17
 10 10 10
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12 8
7 13
12 2
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3 5
13 13
9 9
18 2
5 13
 2 3 20
1 3
1 1
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1 3
2 4
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1 1
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1 1
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3 1
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1 1
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1 3
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1 1
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2 6
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1 1
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1 1
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6 2
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4 6
4 4
3 1
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1 1
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 10 10 10
10 6
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9 13
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19 7
11 13
5 17
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2 14
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 1 1 20
1 1
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1 17
2 14
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4 2
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6 2
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1 5
2 6
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3 1
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3 3
2 6
3 3
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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
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9 19
6 10
20 18
15 19
2 2
11 13
17 13
3 15
 1 2 1
2 2
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2 4
1 13
1 7
2 14
1 19
1 17
2 2
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1 11
2 6
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1 13
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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 int MAX_N = 400005;
const int INF = 1012345678;
int max1[(1 << 20) + 5];
int min1[(1 << 20) + 5];
bool boleh[(1 << 20) + 5];
void init(int i = 1, int s = 0, int e = MAX_N) {
  max1[i] = -INF;
  min1[i] = INF;
  boleh[i] = 1;
  if (s == e) {
    return;
  } else {
    int l = (i << 1);
    int r = (i << 1) | 1;
    int m = (s + e) >> 1;
    init(l, s, m);
    init(r, m + 1, e);
  }
}
int findMax(int x, int y, int i = 1, int s = 0, int e = MAX_N) {
  if (x <= s && e <= y) {
    return max1[i];
  } else {
    int l = (i << 1);
    int r = (i << 1) | 1;
    int m = (s + e) >> 1;
    if (x > m) {
      return findMax(x, y, r, m + 1, e);
    } else if (y <= m) {
      return findMax(x, y, l, s, m);
    } else {
      return max(findMax(x, y, r, m + 1, e), findMax(x, y, l, s, m));
    }
  }
}
int findMin(int x, int y, int i = 1, int s = 0, int e = MAX_N) {
  if (x <= s && e <= y) {
    return min1[i];
  } else {
    int l = (i << 1);
    int r = (i << 1) | 1;
    int m = (s + e) >> 1;
    if (x > m) {
      return findMin(x, y, r, m + 1, e);
    } else if (y <= m) {
      return findMin(x, y, l, s, m);
    } else {
      return min(findMin(x, y, r, m + 1, e), findMin(x, y, l, s, m));
    }
  }
}
void update(int p, int v, int i = 1, int s = 0, int e = MAX_N) {
  if (s == e) {
    if ((p & 1) == 0) {
      max1[i] = max(max1[i], v);
    } else {
      min1[i] = min(min1[i], v);
    }
    return;
  } else {
    int l = (i << 1);
    int r = (i << 1) | 1;
    int m = (s + e) >> 1;
    if (p > m) {
      update(p, v, r, m + 1, e);
    } else {
      update(p, v, l, s, m);
    }
    max1[i] = max(max1[l], max1[r]);
    min1[i] = min(min1[l], min1[r]);
    boleh[i] = (min1[l] > max1[r]) && boleh[l] && boleh[r];
  }
}
bool boleh2() { return boleh[1]; }
int main() {
  int n, m, q;
  scanf("%d%d%d", &n, &m, &q);
  init();
  bool possible = true;
  for (int i = 0; i < q; i++) {
    int x, y;
    scanf("%d%d", &x, &y);
    update(x, y);
    possible = boleh2();
    if (possible) {
      printf("YES\n");
    } else {
      printf("NO\n");
    }
  }
}
