#include <bits/stdc++.h>

using namespace std;

int get(int p){
    int s = 0;
    while(p>0){
        s+=p%10;
        p/=10;
    }
    return s;
}

int main() {
    int t;
    cin >> t;
    for(int a0 = 0; a0 < t; a0++){
        int n;
        cin >> n;
        int x = 0;
        vector<int> a(n);
        for(int a_i = 0; a_i < n; a_i++){
           cin >> a[a_i];
           x=(x+get(a[a_i]))%3;
        }
        if(x%3==0)
        cout << "Yes" << endl;
        else
            cout<<"No"<<endl;
    }
    return 0;
}