#include <cmath>
#include <cstdio>
#include <vector>
#include <iostream>
#include <algorithm>
using namespace std;
typedef long long l;

int main() {
    int t;
    cin>>t;
    while(t--){
        l n;
        cin>>n;
        l a[n];
        l ans=0;
        for(l i=0;i<n;++i){
            cin>>a[i];
            l p=a[i];
            while(p!=0){
                ans+=(p%10);
                p/=10;
            }
        } 
        if(ans%3==0)
            cout<<"Yes"<<endl;
        else
            cout<<"No"<<endl;
        
    }
    /* Enter your code here. Read input from STDIN. Print output to STDOUT */   
    return 0;
}