// Ygendra : steptostep93
 
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define OPTIMIZE ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
 int dsum(int n)
 {
     int sum=0;
     while(n>0)
     {
         sum = sum + n%10;
         n = n/10;
     }
     return sum;
 }
 
signed main() {
    OPTIMIZE
	int t;
    cin>>t;
    while(t--)
    {
        int n;
        cin>>n;
        //int a[n];
        int sum=0;
        for(int i=0; i<n; i++)
        {
            //cin>>arr[i];
            int x;
            cin>>x;
            sum = sum + dsum(x);
        }
        if(sum%3 == 0)
            cout<<"Yes"<<"\n";
        else
            cout<<"No"<<"\n";
    }
}