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

long long dig(long long x)
{  long long s=0; 
    while(x)
    {   s+= (x%10);
        x/=10;
    }
 return s;
}
int main() {
    /* Enter your code here. Read input from STDIN. Print output to STDOUT */  
    int t;
    cin>>t;
    while(t--)
    {   int n;
        cin>>n;
        long long sum, x;
        if(n==1)
        {   cin>>x;
            if(x%3)
                cout << "No\n";
            else
                cout << "Yes\n";
            continue;
        }
        while(n--)
        {   cin>>x;
            sum+=dig(x);
        }
        if(sum%3)
            cout << "No\n";
        else
            cout << "Yes\n";
    }
    return 0;
}