#include<bits/stdc++.h>
using namespace std;
typedef long long int LL;

int main(){
    LL t,n;
    cin>>t;
    while(t--){
        cin>>n;
        LL a;
        LL cnt=0;
        for(int i=0;i<n;i++){
            cin>>a;
            while(a>0){
                cnt+=a%10;
                a=a/10;
            }
        }
        if(cnt%3==0)cout<<"Yes"<<endl;
        else cout<<"No"<<endl;
    }
    return 0;
}