#include using namespace std; using ll = long long; using ull = unsigned long long; using pii = pair; int main() { int t; cin >> t; while(t--) { int n; cin >> n; int ans = 0; for(int i = 0; i < n; ++i) { int x; cin >> x; auto s = to_string(x); for(auto c : s) { ans += (c - '0'); } } if(ans % 3 == 0) { cout << "Yes" << endl; } else { cout << "No" << endl; } } }