#include <bits/stdc++.h>

using namespace std;

int sumd(int n) {
    int sm=0;
    while(n) {
        sm+= n%10;
        n = n/10;
    }
    return sm;
}

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

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;
}