#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;
        long long int sum=0;
        for(int i=0;i<n;i++){
            int temp;
            cin>>temp;
            while(temp!=0){
                sum+=temp%10;
                temp/=10;
            }            
        }
        if(sum%3==0)
            cout<<"Yes"<<endl;
        else
            cout<<"No"<<endl;
        
        
    }
    return 0;
}