#35639: d039-solution
zackc0302@gmail.com
(兩津不堪一擊)
#include <bits/stdc++.h>
using namespace std;
int main(){
int a, m, n, c;
int i = 0, b;
cin >> a;
int array[a];
c=a;
while(c>0){
cin >> n >> m;
b = (n/3) * (m/3);
array[i] = b;
c--;
i++;
}
for(int i=0; i<a; i++){
cout << array[i] << endl;
}
}