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

int calculate_sum(long long num){
    int sum=0;
    while(num!=0){
        sum+=num%10;
        num/=10;
        
    }
    return sum;
}


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