#include <bits/stdc++.h>
#include <math.h>

using namespace std;

int quersumme(int bla){
    float stellen = ceil(log10(bla));
    int summe = 0;
    int stellen2 = stellen;
    for(int i=0; i<(int)stellen; i++){
        int ziffer = floor(bla/pow(10,(int)stellen2-1));
        bla-=ziffer*pow(10,(int)stellen2-1);
        summe+=ziffer;
        stellen2--;
        
    }
   
    
    return summe;
}

string canConstruct(vector <int> a) {
    // Return "Yes" or "No" denoting whether you can construct the required number.
    int qs = 0;
    
    for(int z=0; z<a.size(); z++){
        qs+=quersumme(a[z]);
    }
    if(qs==0)
        return "No";
    else if(qs%3==0)
    return "Yes";
    else
    return "No";
}

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];
        }
        string result = canConstruct(a);
        cout << result << endl;
    }
    return 0;
}