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


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