#include <bits/stdc++.h>
using namespace std;

int sum(int x)
{
    int result=0;
    while(x!=0)
    {
        result=result+(x%10);
        x=x/10;
    }
    return result;
}

int main()
{
    int t,n,temp;
    cin >> t;
    while(t--)
    {
        temp=0;
        cin >> n;
        vector<int> a(n);
        for(int i=0;i<n;i++)
           cin >> a[i];
        for(int i=0;i<n;i++)
            temp=temp+sum(a[i]);
        (temp%3==0)?(cout<<"Yes"<<endl):(cout<<"No"<<endl);
    }
    return 0;
}