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#include <bits/stdc++.h>
#pragma GCC optimize("Ofast")
#pragma GCC optimize("no-stack-protector")
#pragma GCC optimize("unroll-loops")
#pragma GCC target("sse,sse2,sse3,ssse3,popcnt,abm,mmx,tune=native")
#pragma GCC optimize("fast-math")
using namespace std;
mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count());
const int MAXN = 200002;
const int INF = 1e9;
int fl[MAXN << 1], fr[MAXN << 1];
void init() {
  fill(fl, fl + (MAXN << 1), INF);
  fill(fr, fr + (MAXN << 1), -1);
}
int getl(int i) {
  int res = fl[i];
  for (; i > -1; i = (i & (i + 1)) - 1) {
    res = min(fl[i], res);
  }
  return res;
}
void updl(int i, int x) {
  for (; i < (MAXN << 1); i = (i + 1) | i) {
    fl[i] = min(fl[i], x);
  }
}
int getr(int i) {
  int res = fr[i];
  for (; i > -1; i = (i & (i + 1)) - 1) {
    res = max(fr[i], res);
  }
  return res;
}
void updr(int i, int x) {
  for (; i < (MAXN << 1); i = (i + 1) | i) {
    fr[i] = max(fr[i], x);
  }
}
signed main() {
  ios_base::sync_with_stdio(0);
  cin.tie(0);
  int n, m, q;
  cin >> n >> m >> q;
  init();
  int f = 0;
  for (int qq = 0; qq < q; qq++) {
    int x, y;
    cin >> x >> y;
    x--, y--;
    if (x & 1) {
      int mny = getl(x);
      if (mny <= y || f) {
        cout << "NO\n";
        f = 1;
      } else
        cout << "YES\n";
      updr((n << 1) - x - 1, y);
    } else {
      int mny = getr((n << 1) - x - 1);
      if (mny >= y || f) {
        cout << "NO\n";
        f = 1;
      } else
        cout << "YES\n";
      updl(x, y);
    }
  }
  return 0;
}
