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

#define FOR(i, a, b) for (int i = (a); i < (b); i++)
#define RFOR(i, a, b) for (int i = (a) - 1; i >= (b); i--)
#define FILL(a, b) memset(a, b, sizeof(a))
#define SZ(a) int(a.size())
#define ALL(a) a.begin(), a.end()
#define PB push_back
#define MP make_pair
#define F first
#define S second

typedef long long LL;
typedef vector<int> VI;
typedef pair<int, int> PII;
typedef double db;

int w, h;

int coor[4];

int f(int x, int y)
{
	if (y == 0) return x;
	if (x == w) return w + y;
	if (y == h) return w + h + (w - x);
	if (x == 0) return w + h + w + (h - y);
	assert(0);
}

int getSide(int x)
{
	return lower_bound(coor, coor + 4, x) - coor;
}

PII g(int x)
{
	if (x < coor[0]) return {x, 0};
	if (x < coor[1]) return {w, x - w};
	if (x < coor[2]) return {w - (x - (coor[1])), h};
	if (x < coor[3]) return {0, h - (x - coor[2])};
	assert(0);
}

int main()
{
	ios::sync_with_stdio(0);
	cin.tie(0);
	
	int n;
	cin >> n >> w >> h;
	w *= 2;
	h *= 2;
	coor[0] = w;
	coor[1] = w + h;
	coor[2] = w + h + w;
	coor[3] = w + h + w + h;
	
	vector<PII> v;
	FOR (i, 0, n)
	{
		int x1, y1, x2, y2;
		cin >> x1 >> y1 >> x2 >> y2;
		v.PB({f(x1 * 2, y1 * 2), i});
		v.PB({f(x2 * 2, y2 * 2), i});
	}
	sort(ALL(v));
	
	VI used(n, 0);
	int l = 0;
	FOR (r, 0, 2 * n)
	{
		while (l < r && used[v[r].S])
		{
			used[v[l++].S] = 0;
		}
		used[v[r].S] = 1;
		if (r - l + 1 == n)
		{
			int c1 = v[l].F - 1;
			int c2 = v[r].F + 1;
			if (getSide(c1) == getSide(c2))
			{
				c2 = (coor[getSide(c2)] + 1) % (2 * (h + w));
			}
			cout << 1 << '\n';
			PII p = g(c1);
			cout << p.F / 2.0 << ' ' << p.S / 2.0 << ' ';
			p = g(c2);
			cout << p.F / 2.0 << ' ' << p.S / 2.0 << '\n';
			return 0;
		}
	}
	w /= 2;
	h /= 2;
	cout << 2 << '\n';
	cout << 0.5 << ' ' << 0 << ' ' << w - 0.5 << ' ' << h << '\n';
	cout << 0 << ' ' << h - 0.5 << ' ' << w << ' ' << 0.5 << '\n';
	
	return 0;
}