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

using namespace std;

string canConstruct(vector <int> a) {
    // Return "Yes" or "No" denoting whether you can construct the required number.
    int num=0;
    int cnt=0;
    int sum=0;
    for(int i=0;i<a.size();i++){
        if(a[i]/10==0){
            num=num*10+a[i];
            cnt=cnt+1;
        }
        else if(a[i]/100==0){
            num=num*100+a[i];
            cnt=cnt+2;
        }
        else{
            num=num*1000+a[i];
            cnt=cnt+3;
        }
        
    }
    //cout<<num<<" "<<cnt<<endl;
    int prev=0;
    while (num != 0){
        sum = sum + num % 10;
        num = num / 10;
    }
    //cout<<sum<<endl;
    if(sum%3==0)
        return "Yes";
    else
        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;
}