#include <bits/stdc++.h>

using namespace std;

int main() {
    int t;
    cin >> t;
    for(int a0 = 0; a0 < t; a0++){
        int n;
        cin >> n;
        int a[100000];
        for(int i= 0; i< n; i++){
           cin >> a[i];
        }
        int b=0,x;
        for(int i=0;i<n;i++)
        {
            while(a[i]>0)
            {
                x=a[i]%10;
                b=b+x;
                a[i]=a[i]/10;
            }
        }
        if(b%3==0)
            cout<<"Yes"<<endl;
        else
            cout<<"No"<<endl;
    }
    return 0;
}