#include <cmath>
#include <cstdio>
#include <vector>
#include <iostream>
#include <algorithm>
using namespace std;


int main() {
    /* Enter your code here. Read input from STDIN. Print output to STDOUT */  
    int t;
    cin>>t;
    while(t--){
        int n;
        cin>>n;
        vector<int> a(n);
        for(int i=0;i<n;i++)
            cin>>a[i];
        int sum=0;
        for(int i=0;i<n;i++){
            int temp=a[i];
            while(temp){
                sum+=temp%10;
                temp/=10;
            }
        }
        if(sum%3==0)
            cout<<"Yes"<<endl;
        else
            cout<<"No"<<endl;
    }
    return 0;
}