/*** 3 1 9 3 40 50 90 2 1 4 ***/ #include using namespace std; typedef long long ll; int SumOfDigits(ll x) { ll ret = 0; if (x > 0) { ret += x % 10; x /= 10; } return ret; } int main() { ios_base::sync_with_stdio(false), cin.tie(NULL), cout.tie(NULL); int t; cin >> t; while (t--) { int n; cin >> n; ll sum = 0; while (n--) { ll a; cin >> a; sum += a % 3; } if (sum % 3 == 0) cout << "Yes\n"; else cout << "No\n"; } }