#include "bits/stdc++.h"
#include <iostream>
#include<stdio.h>
#include<sstream>
#include<string>
#include<stdio.h>
#include<vector>
#include<map>
#include<queue>
#include<bitset>
#include<math.h>
#include<list>
#include<limits.h>
#include<algorithm>
#define pb push_back
#define mp make_pair
#define check cout<<"*\n";
#define mod (1000000000 + 7)
#define fi first
#define se second
#define hhm std::ios::sync_with_stdio(false);  cin.tie(NULL);
typedef long long ll;
using namespace std;
ll MOD=1e9+7;

int main()
{
    hhm
    int t,n,x;
    cin>>t;
    while(t--){
        cin>>n;
        int sum=0;
        for(int i=0;i<n;i++){
            cin>>x;
            while(x>0){
                sum+=x%10;
                x/=10;
            }
        }
        if(sum%3==0){cout<<"Yes\n";
        }
        else cout<<"No\n";


    }


    return 0;

}