#include <bits/stdc++.h>
using namespace std;
int main() {
  ios::sync_with_stdio(0);
  cin.tie(0);
  cout.tie(0);
  int n;
  cin >> n;
  cout << "YES" << endl;
  while (n--) {
    int x1, y1, x2, y2;
    cin >> x1 >> y1 >> x2 >> y2;
    int c = 12 + 2 * (x1 % 2) + (y1 % 2);
    c %= 4;
    cout << c + 1 << "\n";
  }
  return 0;
}
