#include <bits/stdc++.h>

using namespace std;

string canConstruct(vector <int> a) {
    int s=0;
    int i=0;
    while(a[i]!='\0')
    { s=a[i]+s;
     i++;
    }
    
    string out;
    if(s%3==0)
        out="Yes";
     else
        out="No";
    // Return "Yes" or "No" denoting whether you can construct the required number.
    return out;
}

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;
}