#include using namespace std; #define ll long long #define MOD 1000000007 #define pb push_back #define mp make_pair #define ff first #define ss second #define INF 1e18 #define sz(a) int((a).size()) #define all(c) (c).begin(),(c).end() #define tr(c,i) for(typeof((c).begin()) i = (c).begin(); i != (c).end(); i++) #define fore(i,a,b) for(ll i=a;i=b;i--) #define present(c,x) ((c).find(x) != (c).end()) typedef vector vi; typedef pair pii; int main() { // your code goes here ios::sync_with_stdio(false);cin.tie(0);cout.tie(0); ll t; cin>>t; while(t--){ ll n; cin>>n; ll sum = 0; fore(i,0,n) { ll a; cin>>a; sum += a; } if (sum%3 == 0) cout<<"Yes\n"; else cout<<"No\n"; } return 0; }