OMG

#include <iostream>
using namespace std;
int main() {
    int T;
    cin >> T;
    while (T--) {
        int a, b;
        cin >> a >> b;
        int sum = a + b;
        int max_teams = min(sum / 3, min(a, b));
        cout << max_teams << endl;
    }
    return 0;
}