#include<iostream>
#include<bits/stdc++.h>
#define LL long long
#include<cstring>
#include<cmath>
#include<algorithm>
using namespace std;
LL sumdig(LL x)
{
    LL num=x,sum=0;
    while(num!=0)
    {
        sum+=num%10;
        num/=10;
    }
    return sum;
}
int main()
{
    LL t;
    cin>>t;
    while(t--)
    {
        LL n,i,x,sum=0;
        cin>>n;
        sum=0;
        for(i=0;i<n;i++)
        {
            cin>>x;
            sum+=sumdig(x);
        }
        if(sum%3==0)
            cout<<"Yes\n";
        else
            cout<<"No\n";
    }
    return 0;
}