#include<bits/stdc++.h>
using namespace std;
typedef long long int ll;
#define fastio() ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);

int main()
{
    fastio()
    
    //freopen("input.txt","r",stdin); 
    //freopen("output.txt","w",stdout);
    
    int t; cin>>t;
    while(t--)
    {
    int n; cin>>n;
    ll a[n];
    for (int i = 0;i<n;i++) cin>>a[i];
    ll sum = 0;
    for (int i = 0;i<n;i++)
    {
        ll temp = a[i];
        while (temp != 0) 
        {
            sum += temp%10;
            temp = temp/10;
        }
    }
    if ( sum%3==0 ) cout<<"Yes";
    else cout<<"No";
    cout<<endl;
    }
    return 0;
}