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

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