func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int a, b;     int c = 0;     cin >> a >> b;     while (a > 0 && b > 0) {       if (a > b) {         a -= 2;         b -= 1;       } else {         a -= 1;         b -= 2;       }       if (a > -1 && b > -1) c++;     }     cout << c;   }   