| 2 | using namespace std; |
| 3 | |
| 4 | int main(){ |
| 5 | ios_base::sync_with_stdio(false),cin.tie(nullptr); |
| 6 | |
| 7 | int T; cin >> T; |
| 8 | while (T--) { |
| 9 | int a, b; cin >> a >> b; |
| 10 | if(a<b) swap(a,b); |
| 11 | |
| 12 | if (a > 2 * b) { |
| 13 | cout << "NO\n"; |
| 14 | } else if ((a + b) % 3 == 0) { |
| 15 | cout << "YES\n"; |
| 16 | } else { |
| 17 | cout << "NO\n"; |
| 18 | } |
| 19 | } |
| 20 | return 0; |
| 21 | } |
| 22 |