include

include

include

include

include

include

using namespace std;

class Server { private: static int load; public: static int compute(long long A, long long B) { load += 1; if(A < 0) { throw std::invalid_argument("A is negative"); } vector v(A, 0); int real = -1, cmplx = sqrt(-1); if(B == 0) throw 0; real = (A/B)*real; int ans = v.at(B); return real + A - B*ans; } static int getLoad() { return load; } }; int Server::load = 0;

int main() { int T; cin >> T; while(T--) { long long A, B; cin >> A >> B;

    /* Enter your code here. */
   try {
        cout << Server::compute(A,B) << endl;
    } 
    catch (bad_alloc& error) {
        cout << "Not enough memory" << endl;
    }
    catch (exception& error) {
        cout << "Exception: " << error.what() << endl;
    }
    catch (...) {
        cout << "Other Exception" << endl;
    }
}
cout << Server::getLoad() << endl;
return 0;

}