#include <bits/stdc++.h>

using namespace std;

int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  int n, x, y;
  cin >> n >> x >> y;
  vector<array<int, 4>> ops;
  function<void(int, int, int, int)> Solve = [&](int x1, int y1, int x2, int y2) {
    if (x1 == x2 && y1 == y2) {
      return;
    }
    int k = x2 - x1;
    if (x != x1) {
      if (y != y1) {
        ops.push_back({x1, y1, k, k});
        Solve(x1 + 1, y1 + 1, x2, y2);
      } else {
        ops.push_back({x1, y2, -k, k});
        Solve(x1 + 1, y1, x2, y2 - 1);
      }
    } else {
      if (y != y1) {
        ops.push_back({x2, y1, -k, k});
        Solve(x1, y1 + 1, x2 - 1, y2);
      } else {
        ops.push_back({x2, y2, -k, -k});
        Solve(x1, y1, x2 - 1, y2 - 1);
      }
    }
  };
  Solve(1, 1, n, n);
  cout << "Yes" << '\n';
  cout << int(ops.size()) << '\n';
  for (auto& p : ops) {
    cout << p[0] << " " << p[1] << " " << p[2] << " " << p[3] << '\n';
  }
  return 0;
}