#include <iostream>

#define ll long long 

using namespace std;

ll i, j, a, b, t ;

int main()
{
    cin >> t;
    while (t)
    {
        --t;
        cin >> a >> b;
        if (a + b <= 4) cout << "1";
        else if (a == 1 || b == 1) cout << "1";
        else
        {
            ll db = 1;
            a--;
            b--;
            if (a==1)
        }

        cout << "\n";
    }
}