#include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define ll long long #define MODD 1000000000039ll using namespace std; int main() { int T; cin>>T; for(int t=1;t<=T;t++) { int n; cin>>n; ll summ = 0; for(int i=1;i<=n;i++) { ll x; cin>>x; summ += x; } if (summ%3==0) printf("Yes\n"); else printf("No\n"); } }