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