#include <bits/stdc++.h>
#include<algorithm>


using namespace std;

vector<int> getDigits(long int n){
    vector<int> vec;
    int count=0;
    if (n<10){
        vec.push_back(n);
        return vec;
    }
    while (n>1){
       count++;
       n= n/10; 
       vec.push_back(n-floor(n));       
    }
    return vec;
}

string canConstruct(vector <int> a) {
    // Return "Yes" or "No" denoting whether you can construct the required number.
    int l=a.size();
    long int s=0;
    vector<int> digits;
    for (int i=0; i<l; i++){
        digits = getDigits(a[i]);
        int l2=digits.size();
        for (int j=0; j<l2; j++)
            s += digits[j];
    }
    string y = "Yes"; string no="No";
    if (s%3 ==0 )
        return y;
    else
        return no;
    //s % 3 == 0 ? return y : 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;
}