#include <bits/stdc++.h>

using namespace std;
int sumDigit(int n){
    int sum=0;
    while (n!=0){
        int cs=n%10;
        sum+=cs;
        n=n/10;
    }
    return sum;
}
string canConstruct(vector <int> a) {
    // Return "Yes" or "No" denoting whether you can construct the required number.
    long long int sum=0;
    for (int i=0;i<a.size();i++){
        int temp=sumDigit(a[i]);
        sum+=temp;
    }
    if (sum%3==0)
        return "Yes";
    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;
}