#include <bits/stdc++.h>
using namespace std;

#define all(x) begin(x), end(x)
#ifdef CKISEKI
#define safe cerr << __PRETTY_FUNCTION__ << " line " << __LINE__ << " safe\n"
#define debug(a...) debug_(#a, a)
#define orange(a...) orange_(#a, a)
void debug_(auto s, auto ...a) {
  cerr << "\e[1;32m(" << s << ") = (";
  int f = 0;
  (..., (cerr << (f++ ? ", " : "") << a));
  cerr << ")\e[0m\n";
}
#include <experimental/iterator>
void orange_(auto s, auto L, auto R) {
  cerr << "\e[1;33m[ " << s << " ] = [ ";
  using namespace experimental;
  copy(L, R, make_ostream_joiner(cerr, ", "));
  cerr << " ]\e[0m\n";
}
#else
#define safe ((void)0)
#define debug(...) safe
#define orange(...) safe
#endif

struct M {
  int mx;
  int pos;
};

M operator+(M a, M b) {
  return a.mx < b.mx ? b : a;
}

struct Segtree {
  int n;
  vector<M> st;
  vector<int> lz;
  Segtree(int n_) : n(n_), st(n * 2), lz(n) {
    for (int i = 0; i < n; i++)
      st[i + n] = {0, i};
    for (int i = n - 1; i > 0; i--)
      st[i] = st[i << 1] + st[i << 1 | 1];
  }
  void upd(int p, int v) {
    st[p].mx += v;
    if (p < n) lz[p] += v;
  }
  void pull(int p) {
    while (p >>= 1) {
      st[p] = st[p << 1] + st[p << 1 | 1];
      st[p].mx += lz[p];
    }
  }
  void add(int l, int r, int v) {
    if (l >= r) return;
    assert(l < n && r <= n);
    int tl = l, tr = r;
    for (l += n, r += n; l < r; l >>= 1, r >>= 1) {
      if (l & 1) upd(l++, v);
      if (r & 1) upd(--r, v);
    }
    pull(tl + n), pull(tr - 1 + n);
  }
  M query() {
    return st[1];
  }
};

int main() {
  cin.tie(nullptr)->sync_with_stdio(false);
  
  cout.precision(20);
  cout << fixed;

  int n, w, h;
  cin >> n >> w >> h;

  auto mapping = [&](int x, int y) {
    if (y == 0) {
      return x;
    } else if (x == w) {
      return w + y;
    } else if (y == h) {
      return w + h + (w - x);
    } else {
      return w + h + w + (h - y);
    }
  };

  const int C = w + h + w + h;

  vector<int> u;

  vector<tuple<int,int,int,int>> evt;

  for (int i = 0; i < n; i++) {
    int x1, y1, x2, y2;
    cin >> x1 >> y1 >> x2 >> y2;

    int l = mapping(x1, y1);
    int r = mapping(x2, y2);
    u.push_back(l);
    u.push_back(r);

    if (l > r)
      swap(l, r);
    assert(l < r);

    // rng[i] = {l, r};

    evt.emplace_back(0, 1, l, r);
    evt.emplace_back(l, -2, l, r);

    evt.emplace_back(r, 2, l, r);
    evt.emplace_back(C, -1, l, r);
  }

  evt.emplace_back(mapping(0, 0), 0, 0, 0);
  evt.emplace_back(mapping(w, 0), 0, 0, 0);
  evt.emplace_back(mapping(w, h), 0, 0, 0);
  evt.emplace_back(mapping(0, h), 0, 0, 0);

  ranges::sort(evt);

  u.push_back(mapping(0, 0));
  u.push_back(mapping(w, 0));
  u.push_back(mapping(w, h));
  u.push_back(mapping(0, h));
  ranges::sort(u);

  Segtree sgt(u.size());

  int global = 0;
  for (size_t i = 0, j; i < evt.size(); i = j) {
    for (j = i; j < evt.size(); j++) {
      if (get<0>(evt[j]) != get<0>(evt[i])) break;
      auto [_, tp, l, r] = evt[j];
      if (tp != 0) {
        l = lower_bound(all(u), l) - u.begin();
        r = lower_bound(all(u), r) - u.begin();
        debug(l, r);
        sgt.add(l, r, tp);
      }
      if (abs(tp) == 2) {
        if (tp < 0) {
          global += 1;
        } else {
          global -= 1;
        }
      }
    }

    auto R = sgt.query();
    R.mx += global;

    auto unmapping = [&](long double z) -> pair<long double, long double> {
      if (z <= w) {
        return {z, 0};
      } else if (z <= w + h) {
        return {w, z - w};
      } else if (z <= w + h + w) {
        return {w - (z - w - h), h};
      } else {
        return {0, h - (z - w - h - w)};
      }
    };

    assert(R.mx >= 0 && R.mx <= n);
    if (R.mx == n) {
      long double a = (get<0>(evt[i]) + get<0>(evt[j])) / 2.0;
      long double b = (u[R.pos] + u[(R.pos + 1) % u.size()]) / 2.0;
      auto [ax, ay] = unmapping(a);
      auto [bx, by] = unmapping(b);
      cout << 1 << '\n';
      cout << ax << ' ' << ay << ' ' << bx << ' ' << by << '\n';
      return 0;
    }
  }

  cout << 2 << '\n';
  cout << 0.5 << ' ' << 0 << ' ' << w - 0.5 << ' ' << h << '\n';
  cout << 0.5 << ' ' << h << ' ' << w - 0.5 << ' ' << 0 << '\n';

  return 0;
}