func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     long long x, y;     cin >> x >> y;     long long d = x * x + y * y;     if (x == 0 || y == 0) {       cout <<  black  << endl;       return 0;     }     for (long long i = 1; i <= 10000; i++) {       if (d < i * i) {         bool white = (i % 2 == 0 && x * y > 0) || (i % 2 == 1 && x * y < 0);         cout << (white ?  white  :  black ) << endl;         return 0;       }       if (d == i * i) {         cout <<  black  << endl;         return 0;       }     }     return 0;   }   