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
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2 2
1 1
2 2
1 1
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2 2
2 2
1 1
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1 1
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2 2
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1 1
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2 2
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2 2
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2 2
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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
1 1
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1 1
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1 1
1 1
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1 1
2 2
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
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
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10 2
19 9
19 17
8 8
5 3
20 4
12 12
2 16
5 19
2 4
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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
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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
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
2 2
1 3
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2 4
2 6
2 2
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2 6
2 6
2 6
1 3
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2 2
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1 1
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1 3
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1 5
2 2
2 6
1 3
1 3
1 3
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1 3
1 1
 10 10 10
17 11
11 15
8 8
2 4
7 7
9 13
12 8
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15 13
13 17
 1 10 10
2 16
1 1
1 19
2 10
2 4
2 18
2 12
2 6
2 14
2 2
 1 2 100
1 3
2 2
2 4
1 3
2 4
1 1
2 2
1 1
2 4
2 2
2 2
1 3
2 4
1 3
2 4
2 2
2 2
2 4
1 3
2 2
2 4
1 1
2 4
1 3
1 1
1 1
2 4
2 2
1 1
1 3
1 1
1 1
1 1
1 1
2 2
2 4
1 1
1 3
2 4
1 1
1 1
2 4
1 3
1 1
2 4
2 4
1 1
1 1
2 4
2 4
2 4
1 1
2 4
1 3
1 3
2 2
1 1
2 2
1 1
1 3
1 1
2 2
2 4
2 4
2 2
1 3
2 2
1 1
2 4
1 1
2 4
2 4
2 4
2 2
2 2
1 3
2 2
2 2
1 1
2 4
1 1
2 2
2 2
1 1
2 2
1 3
1 3
1 3
1 1
2 4
1 3
1 3
1 1
1 1
1 1
2 4
1 3
1 1
2 4
2 2
 3 3 20
1 1
3 1
1 1
1 1
5 1
3 5
1 3
4 4
1 1
3 1
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
16 4
8 10
12 12
 10 10 10
4 4
18 20
11 9
1 15
2 2
14 6
2 12
17 9
11 13
8 2
 3 2 10
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
2 2
1 1
2 2
1 1
1 1
1 1
1 1
1 1
2 2
1 1
2 2
1 1
1 1
2 2
1 1
 1 1 1
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 int N = 5e5 + 5, M = 50 + 5;
const long long INF = 1e18 + 5;
inline long long read() {
  long long sum = 0, fh = 1;
  char c = getchar();
  while (c < '0' || c > '9') {
    if (c == '-') fh = -1;
    c = getchar();
  }
  while (c >= '0' && c <= '9') {
    sum = sum * 10 + c - '0';
    c = getchar();
  }
  return sum * fh;
}
inline int read2() {
  char c = getchar();
  while (c < '0' || c > '9') c = getchar();
  return c - '0';
}
inline int read3() {
  char c = getchar();
  while (c < 'a' || c > 'z') {
    c = getchar();
  }
  return c - 'a';
}
inline void write(long long x) {
  if (x < 0) putchar('-'), x = -x;
  if (x > 9) write(x / 10);
  putchar(x % 10 + '0');
}
inline int gcd(int x, int y) { return y == 0 ? x : gcd(y, x % y); }
inline long long ab(long long x) { return x < 0 ? -x : x; }
inline long long fpow(long long qwe, long long asd, long long zxc) {
  if (asd < 0) return 0;
  long long a = qwe, b = 1, c = asd;
  while (c) {
    if (c & 1) b = b * a % zxc;
    a = a * a % zxc;
    c >>= 1;
  }
  return b;
}
map<pair<long long, long long>, int> sy1, sy2;
struct miaow {
  int x, y, z, o;
  miaow(int x = 0, int y = 0, int z = 0, int o = 0) : x(x), y(y), z(z), o(o) {}
} q1[N], q2[N], tmp[N];
int ans1[N], ans2[N], ans[N];
int n, m, q;
int szsz[N];
inline void xg(int x, int y) {
  while (x <= m) {
    szsz[x] += y;
    x += x & -x;
  }
}
inline int cx(int x) {
  int sum = 0;
  while (x) {
    sum += szsz[x];
    x -= x & -x;
  }
  return sum;
}
inline void cdq(int l, int r) {
  if (l == r) return;
  int mid = (l + r) >> 1;
  cdq(l, mid), cdq(mid + 1, r);
  int ls = l, rs = mid + 1;
  while (ls <= mid && rs <= r) {
    if (q1[ls].x <= q1[rs].x) {
      if (ab(q1[ls].z) == 1) {
        xg(q1[ls].y, q1[ls].z);
      }
      ++ls;
    } else {
      if (q1[rs].z == 2) {
        ans[q1[rs].o] += cx(q1[rs].y);
      } else if (q1[rs].z == -2) {
        ans[q1[rs].o] -= cx(q1[rs].y);
      }
      ++rs;
    }
  }
  while (rs <= r) {
    if (q1[rs].z == 2) {
      ans[q1[rs].o] += cx(q1[rs].y);
    } else if (q1[rs].z == -2) {
      ans[q1[rs].o] -= cx(q1[rs].y);
    }
    ++rs;
  }
  for (int i = l; i < ls; ++i) {
    if (ab(q1[i].z) == 1) {
      xg(q1[i].y, -q1[i].z);
    }
  }
  ls = l, rs = mid + 1;
  int js = l;
  while (ls <= mid && rs <= r) {
    if (q1[ls].x <= q1[rs].x) {
      tmp[js++] = q1[ls];
      ++ls;
    } else {
      tmp[js++] = q1[rs];
      ++rs;
    }
  }
  while (ls <= mid) {
    tmp[js++] = q1[ls];
    ++ls;
  }
  while (rs <= r) {
    tmp[js++] = q1[rs];
    ++rs;
  }
  for (int i = l; i <= r; ++i) q1[i] = tmp[i];
}
int main() {
  n = read(), m = read(), q = read();
  for (int i = 1; i <= q; ++i) {
    int x = read(), y = read();
    if (x % 2 == 0) {
      int x2 = x / 2, y2 = y / 2;
      if (sy2[pair<long long, long long>(n - x2 + 1, m - y2 + 1)] == 0)
        q1[i] = miaow(x2, y2, 2, i);
      else
        q1[i] = miaow(x2, y2, -2, i);
      ans1[i] = 1;
      x2 = n - x2 + 1, y2 = m - y2 + 1;
      if (sy2[pair<long long, long long>(x2, y2)] == 0) {
        sy2[pair<long long, long long>(x2, y2)] = 1;
        q2[i] = miaow(x2, y2, 1, i);
      } else {
        sy2[pair<long long, long long>(x2, y2)] = 0;
        q2[i] = miaow(x2, y2, -1, i);
      }
    } else {
      int x2 = (x + 1) / 2, y2 = (y + 1) / 2;
      if (!sy1[pair<long long, long long>(x2, y2)]) {
        sy1[pair<long long, long long>(x2, y2)] = 1;
        q1[i] = miaow(x2, y2, 1, i);
      } else {
        sy1[pair<long long, long long>(x2, y2)] = 0;
        q1[i] = miaow(x2, y2, -1, i);
      }
      x2 = n - x2 + 1, y2 = m - y2 + 1;
      if (!sy1[pair<long long, long long>(n - x2 + 1, m - y2 + 1)])
        q2[i] = miaow(x2, y2, -2, i);
      else
        q2[i] = miaow(x2, y2, 2, i);
    }
  }
  cdq(1, q);
  for (int i = 1; i <= q; ++i) {
    q1[i] = q2[i];
  }
  cdq(1, q);
  for (int i = 1; i <= q; ++i) {
  }
  int kx1 = 1, kx2 = 1;
  for (int i = 1; i <= q; ++i) {
    ans[i] += ans[i - 1];
    if (ans[i] == 0)
      puts("YES");
    else
      puts("NO");
  }
}
