#include using namespace std; #include using namespace atcoder; #define ll long long #define rep(i, n) for (int i = 0; i < (n); i++) #define P pair #define LP pair #define fi first #define se second #define pb push_back #define eb emplace_back #define all(s) s.begin(), s.end() #define rall(s) s.rbegin(), s.rend() template void chmax(T& a, T b) { a = max(a, b); }; template void chmin(T& a, T b) { a = min(a, b); }; int main() { int t; cin >> t; rep(ti,t) { int n; cin >> n; vector a(n); ll sum = 0; rep(i,n) { cin >> a[i]; sum += a[i]; } sort(all(a)); if (sum%3) cout << "No" << endl; else { ll x = sum/3; if (a.back() > x) cout << "No" << endl; else cout << "Yes" << endl; } } return 0; }