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
2 2
2 2
1 1
2 2
1 1
2 2
2 2
2 2
1 1
1 1
2 2
1 1
2 2
2 2
1 1
2 2
1 1
1 1
2 2
2 2
2 2
2 2
2 2
2 2
2 2
2 2
1 1
2 2
2 2
1 1
1 1
1 1
2 2
1 1
2 2
1 1
2 2
1 1
1 1
1 1
2 2
1 1
1 1
2 2
1 1
1 1
2 2
1 1
2 2
1 1
1 1
1 1
2 2
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
 10 10 10
10 2
19 9
19 17
8 8
5 3
20 4
12 12
2 16
5 19
2 4
 2 2 20
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
 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
 1 3 100
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
1 5
2 2
2 4
2 2
1 3
2 2
1 5
2 4
2 6
2 2
1 5
2 6
2 6
2 6
1 3
1 5
2 2
2 2
1 1
1 5
1 3
1 3
2 2
2 4
1 5
2 2
2 6
1 3
1 3
1 3
 2 2 2
1 3
1 1
 10 10 10
17 11
11 15
8 8
2 4
7 7
9 13
12 8
18 2
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

YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
 YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
 YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
 YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
 YES
NO
YES
YES
YES
NO
YES
NO
NO
YES
YES
YES
YES
NO
YES
YES
YES
NO
YES
YES
 YES
NO
YES
YES
YES
YES
YES
NO
NO
NO
NO
YES
YES
NO
NO
NO
YES
YES
YES
NO
 YES
NO
NO
NO
NO
NO
NO
NO
NO
NO
 YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
 YES
YES
YES
NO
YES
NO
YES
NO
YES
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
 YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
 YES
YES
YES
NO
YES
YES
YES
YES
YES
YES
YES
NO
YES
NO
YES
NO
YES
YES
YES
NO
YES
YES
YES
YES
YES
NO
YES
YES
YES
YES
YES
YES
YES
NO
YES
NO
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
YES
YES
YES
YES
YES
NO
YES
YES
YES
NO
YES
NO
YES
YES
YES
NO
YES
NO
YES
YES
YES
NO
YES
NO
YES
NO
YES
NO
YES
YES
YES
YES
YES
NO
YES
NO
YES
NO
YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
YES
YES
 YES
YES
NO
NO
NO
NO
NO
NO
NO
NO
 YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
 YES
YES
YES
YES
YES
NO
NO
YES
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
 YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
 YES
YES
YES
YES
YES
YES
YES
YES
NO
NO
 YES
NO
 YES
NO
NO
YES
YES
NO
YES
YES
NO
NO
NO
YES
YES
YES
NO
YES
YES
NO
YES
YES
NO
NO
YES
NO
NO
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
NO
NO
YES
YES
YES
NO
NO
YES
NO
NO
NO
NO
NO
YES
NO
NO
YES
NO
NO
NO
NO
NO
NO
NO
NO
YES
YES
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
NO
NO
NO
YES
NO
NO
NO
YES
NO
YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
NO
NO
 YES
YES
 YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
 YES
NO
NO
NO
NO
NO
NO
NO
NO
NO
 YES
YES
NO
YES
YES
NO
YES
YES
YES
YES
YES
NO
YES
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
YES
NO
NO
NO
YES
NO
NO
NO
NO
NO
NO
YES
NO
NO
NO
YES
NO
NO
NO
YES
NO
YES
NO
YES
NO
YES
NO
NO
NO
NO
NO
YES
YES
YES
NO
NO
YES
YES
YES
YES
YES
YES
YES
YES
NO
NO
YES
NO
YES
YES
YES
YES
YES
YES
YES
NO
YES
YES
YES
NO
NO
NO
NO
NO
NO
YES
YES
YES
NO
YES
NO
NO
NO
YES
YES
YES
 YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
YES
NO
NO
YES
NO
NO
NO
YES
NO
YES
 YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
 YES
YES
NO
NO
NO
NO
NO
NO
NO
NO
 YES
YES
NO
NO
YES
YES
NO
YES
YES
NO
 YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
 YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
 YES
YES
YES
YES
YES
YES
YES
NO
YES
NO
NO
YES
YES
NO
NO
NO
NO
NO
NO
NO
 YES
NO
YES
YES
YES
NO
YES
NO
YES
YES
NO
YES
NO
YES
YES
YES
NO
YES
YES
YES
 YES
NO
NO
NO
NO
NO
NO
NO
NO
NO
 YES
NO
YES
NO
YES
YES
YES
NO
YES
NO
YES
NO
YES
YES
YES
NO
YES
NO
YES
YES
 YES
 YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
 YES
YES
NO
NO
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
 YES
YES
YES
NO
NO
NO
NO
NO
NO
NO
 YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
 YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
 YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
 YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
 YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
 YES
 YES
YES
YES
NO
NO
NO
NO
NO
NO
NO
 YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
 YES
YES
YES
YES
YES
YES
YES
YES
NO
NO

#include <bits/stdc++.h>
using namespace std;
const int N = 2e5 + 10, mod = 1e9 + 7;
int seg[4 * N][2];
bool flag[4 * N];
void add(int s, int e, int ind, int l, int r, int val, int tp) {
  if (s >= r || e <= l) return;
  if (s >= l && e <= r) {
    seg[ind][tp] = val;
    if (seg[ind][0] != -1 && seg[ind][1] != -1)
      flag[ind] = (seg[ind][0] <= seg[ind][1]);
    else
      flag[ind] = false;
    return;
  }
  int mid = (s + e) / 2;
  add(s, mid, 2 * ind, l, r, val, tp);
  add(mid, e, 2 * ind + 1, l, r, val, tp);
  if (seg[2 * ind][0] == -1 ||
      (seg[2 * ind + 1][0] != -1 && seg[2 * ind + 1][0] < seg[2 * ind][0]))
    seg[ind][0] = seg[2 * ind + 1][0];
  else
    seg[ind][0] = seg[2 * ind][0];
  seg[ind][1] = max(seg[2 * ind][1], seg[2 * ind + 1][1]);
  flag[ind] = (flag[2 * ind] | flag[2 * ind + 1]) |
              (seg[2 * ind][0] != -1 & seg[2 * ind][0] <= seg[2 * ind + 1][1]);
}
set<int> s[2][N];
int32_t main() {
  ios_base::sync_with_stdio(false);
  cin.tie(0);
  cout.tie(0);
  int n, m, q;
  cin >> n >> m >> q;
  long long numBads = 0;
  memset(seg, -1, sizeof(seg));
  while (q--) {
    int x, y;
    cin >> x >> y;
    bool tp = 1 - (x & 1);
    x = (x - 1) / 2;
    y = (y - 1) / 2;
    bool exist = (s[tp][x].find(y) != s[tp][x].end());
    if (exist) {
      s[tp][x].erase(y);
    } else {
      s[tp][x].insert(y);
    }
    if (!s[0][x].empty())
      add(0, n, 1, x, x + 1, *s[0][x].begin(), 0);
    else
      add(0, n, 1, x, x + 1, -1, 0);
    if (!s[1][x].empty())
      add(0, n, 1, x, x + 1, *s[1][x].rbegin(), 1);
    else
      add(0, n, 1, x, x + 1, -1, 1);
    cout << (flag[1] ? "NO\n" : "YES\n");
  }
  return 0;
}
