#include <bits/stdc++.h>

using namespace std;

string canConstruct(vector <int> a) {
    // Return "Yes" or "No" denoting whether you can construct the required number.
    long long sum = 0;
    
    for(int a0 = 0; a0 < a.size(); a0++) { 
        while(a[a0] > 0){
            sum += a[a0]%10;
            
            a[a0] /= 10;
        }
    }
    
    if(sum%3 == 0) return "Yes";
    else return "No";
}

int main() {
    std::ios::sync_with_stdio(false);
    
    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;
}