#include <bits/stdc++.h>

using namespace std;
int give(int a){
    int i,nu,ans=0;
     nu=a;
    while(nu>0){
        i=nu%10;
        ans+=i;
        nu/=10;
    }
    return ans;
}
void 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++){
        sum+=give(a[i]);
    }
    if(sum%3==0) cout<<"Yes"<<endl;
    else cout<<"No"<<endl;
}

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];
        }
        canConstruct(a);
   }
    return 0;
}