#include #include #include #include #include using namespace std; int main() { /* Enter your code here. Read input from STDIN. Print output to STDOUT */ int t; cin >> t; while(t--){ int n; cin >> n; int sum = 0; while(n--){ int in; cin >> in; sum = (sum + in)%3; } if(sum == 0)cout << "Yes" << endl; else cout << "No" << endl; } return 0; }