#include <bits/stdc++.h>

using namespace std;


int main() {
    int t;
    cin >> t;
    for(int a0 = 0; a0 < t; a0++){
        int n;
        cin >> n;
        vector<int> a(n);
        int i,j,k,x,y;
        x=0;
        for(int i = 0; i < n; i++){
           cin >> a[i];
           while(a[i]>0)
           {
               x=x+(a[i]%10);
                a[i]/=10;
           }
        }
        if(x%3==0){cout<<"Yes"<<endl;}
        else cout<<"No"<<endl;
        
    }
    return 0;
}