#include <bits/stdc++.h>

using namespace std;

string s1="Yes";
string s2="No";
string canConstruct(vector <int> a,long long n) {
    
    long long sum=0;
    
    for(long long i=0;i<n;i++)
    {
        while(a[i]>0)
        {
            sum=sum+a[i]%10;
            a[i]=a[i]/10;
        }
    }
    if(sum%3==0)
        return s1;
    else
        return s2;
        
    // Return "Yes" or "No" denoting whether you can construct the required number.
}

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,n);
        cout << result << endl;
    }
    return 0;
}