func_code_string: #include <bits/stdc++.h>   using namespace std;   long long n;   void solve() {     cin >> n;     long long x, y, a, b;     cout <<  YES n ;     for (long long i = 1; i <= (n); ++i) {       cin >> x >> y >> a >> b;       cout << 2 * (x & 1) + (y & 1) + 1;       cout <<   n ;     }   }   int32_t main() {     ios_base::sync_with_stdio(0);     cin.tie(NULL);     solve();     return 0;   }   