#include #define rep(i,n) for(int i = 0; i < (n); i++) using namespace std; typedef long long ll; int main(){ cin.tie(0); ios::sync_with_stdio(0); int T; cin >> T; rep(_,T) { int N; cin >> N; vector A(N); rep(i,N) cin >> A[i]; ll sumA = accumulate(A.begin(), A.end(), 0LL); int ok = 1; ok &= sumA % 3 == 0; rep(i,N) ok &= A[i] <= sumA / 3; cout << (ok ? "Yes" : "No") << endl; } }