#include <bits/stdc++.h>

using namespace std;

void canConstruct(vector <int> a,int n) {
    // Return "Yes" or "No" denoting whether you can construct the required number.
    int sum=0;
    int i=0;
    while(i<n)
    {
        
        while(a[i]!=0)
        {sum+=a[i]%10;
        a[i]/=10;}
        
        i++;
    }
    if(sum%3==0)
        cout<<"Yes"<<endl;
    else
        cout<<"No"<<endl;
        
        
}

int main() {
    int t;
    cin >> t;
    for(int a0 = 0; a0 < t; a0++){
        int n;
        cin >> n;
        vector<int> a(n);
        for(int a_i = 0; a_i < n; a_i++){
           cin >> a[a_i];
        }
         canConstruct(a,n);
       
    }
    return 0;
}