#include <cmath>
#include <cstdio>
#include <vector>
#include <iostream>
#include <algorithm>
#include <bits/stdc++.h>
using namespace std;

long long int getsum(long long int n)
{
    long long int sum=0;
    while(n>0)
    {
        sum+=n%10;
        n/=10;
    }
    return sum;
}

int main() {
    int t;
    cin>>t;
    while(t--)
    {
        long long int n;
        cin>>n;
        long long int a[n];
        for(int i=0;i<n;i++)
            cin>>a[i];
        long long int sum=0;
        for(int i=0;i<n;i++)
        {
            sum+=getsum(a[i]);
        }
        if(sum%3==0) cout<<"Yes"<<endl;
        else cout<<"No"<<endl;
    }
    return 0;
}