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6 6
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#include <bits/stdc++.h>
using namespace std;
const int N = 4e5 + 5;
const int M = 2e6 + 5;
const long long mod = 998244353;
const int inf = 0x3f3f3f3f;
const double eps = 1e-10;
const double pi = acos(-1);
const int tmp = 233;
const int maxh = 62;
struct tree1 {
  int a[N];
  void ins(int x, int t) {
    for (int i = x; i < N; i += i & (-i)) a[i] = max(a[i], t);
  }
  int ask(int x) {
    int ans = 0;
    for (int i = x; i; i -= i & (-i)) ans = max(ans, a[i]);
    return ans;
  }
} t1;
struct tree2 {
  int a[N];
  tree2() { memset(a, 0x3f, sizeof a); }
  void ins(int x, int t) {
    for (int i = x; i < N; i += i & (-i)) a[i] = min(a[i], t);
  }
  int ask(int x) {
    int ans = inf;
    for (int i = x; i; i -= i & (-i)) ans = min(ans, a[i]);
    return ans;
  }
} t2;
int main() {
  ios::sync_with_stdio(0);
  cin.tie(0);
  int n, m, q;
  cin >> n >> m >> q;
  while (q--) {
    int x, y;
    cin >> x >> y;
    if (x % 2 == 0) {
      int t = t2.ask(x);
      if (t < y) {
        puts("NO");
        while (q--) puts("NO");
        return 0;
      }
      t1.ins(N - x, y);
    } else {
      int t = t1.ask(N - x);
      if (t > y) {
        puts("NO");
        while (q--) puts("NO");
        return 0;
      }
      t2.ins(x, y);
    }
    puts("YES");
  }
  return 0;
}
