Rectangular Tiling

#include <bits/stdc++.h>

using namespace std;

#define ll     long long
#define _test   int _TEST; cin>>_TEST; while(_TEST--)
#define pb     push_back

int main()
{

    _test
    {
        int x, y;
        cin>>x>>y;

        if(x%2 && y%2)
            cout<<"NO\n";
        else
            cout<<"YES\n";
    }
}