#include using namespace std; #include #include #include #include #include template inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; } template inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; } #define rep(i,n) for (int i = 0; i < (n); ++i) typedef long long ll; typedef unsigned long long ull; using P=pair; const int INF=1001001001; const ll INFL=1e18; const int mod=998244353; void solve(){ int n; cin>>n; vectora(n); rep(i,n)cin>>a[i]; ll sum=accumulate(a.begin(),a.end(),0ll); if(sum%3!=0||*max_element(a.begin(),a.end())>sum/3){ cout<<"No"<>t; rep(i,t){ solve(); } return 0; }