func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     long long a = 0, b = 0;     bool gr = 0;     cout <<  ?   << 0 <<     << 0 << endl;     fflush(stdout);     int g;     cin >> g;     if (g == 1)       gr = 1;     else       gr = 0;     for (int i = 29; i >= 0; i--) {       cout <<  ?   << (a + (1 << i)) <<     << b << endl;       fflush(stdout);       int a1, a2;       cin >> a1;       cout <<  ?   << a <<     << (b + (1 << i)) << endl;       fflush(stdout);       cin >> a2;       if (a1 == a2) {         if (gr) {           a += (1 << i);           if (a1 == 1)             gr = 1;           else             gr = 0;         } else {           b += (1 << i);           if (a1 == 1)             gr = 1;           else             gr = 0;         }       }       if (a1 != a2) {         if (a1 == -1) {           a += (1 << i);           b += (1 << i);         }       }     }     cout <<  !   << a <<     << b << endl;     return 0;   }   