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

long f(long x){
    long s = 0;
    while(x){
        s += x%10;
        x /= 10;
    }
    return s;
}

int main() {
    long t;
    cin>>t;
    while(t--){
        long n;
        cin>>n;
        vector<long> arr(n);
        long sum = 0;
        for(long i=0;i<n;i++) {
            cin>>arr[i];
            sum += f(arr[i]);
        }
        if(sum % 3 == 0) cout<<"Yes\n";
        else cout<<"No\n";
    }
    /* Enter your code here. Read input from STDIN. Print output to STDOUT */   
    return 0;
}