#include using namespace std; string canConstruct(vector a) { int rem = 0; for (int x : a) { rem += x % 3; } return (rem % 3) ? "No" : "Yes"; } int main() { int t; cin >> t; for(int a0 = 0; a0 < t; a0++){ int n; cin >> n; vector a(n); for(int a_i = 0; a_i < n; a_i++){ cin >> a[a_i]; } string result = canConstruct(a); cout << result << endl; } return 0; }