#include <set> #include <map> #include <list> #include <cmath> #include <queue> #include <stack> #include <cstdio> #include <string> #include <vector> #include <cstdlib> #include <cstring> #include <sstream> #include <iomanip> #include <iostream> #include <algorithm> #include <unordered_set> #include <unordered_map> #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"); } }