#include<bits/stdc++.h>

using namespace std;

#define ll long long
#define maxn 100005


int main()
{
    int cas,a,n;
    cin>>cas;
    while(cas--)
    {
        cin>>n;
        int res=0;
        for(int i=0;i<n;i++)
        {
            cin>>a;
            while(a)
            {
                res+=a%10;
                a/=10;
            }
        }
        if(res%3==0) puts("Yes");
        else puts("No");
    }
    return 0;
}