func_code_string: #include <bits/stdc++.h>   using namespace std;   long long res, rec, d, h, v, e, p = 3.1415926535;   int main() {     cin >> d >> h;     if (d == 1 && h == 1) {       cout << 0;       return 0;     }     while (d != 0 && h != 0) {       if (d <= h) {         d++;         h -= 2;       } else if (d > h) {         d -= 2;         h++;       }       e++;     }     cout << e;     return 0;   }   