#include <bits/stdc++.h>
#define forn(i,a,b) for(int i = a; i < b; i++)

using namespace std;

long long dig(int n)
{
    long long sum = 0;
    while(n != 0)
    {
        sum += n%10;
        n /= 10;
    }
    return sum;
}

string canConstruct(vector <int> a) {
    // Return "Yes" or "No" denoting whether you can construct the required number.
    int n = a.size();
    int sum = 0;
    forn(i,0,n)
    {
        sum += dig(a[i])%3;
    }
    sum %= 3;
    if(sum == 0)
        return "Yes";
    else
        return "No";
}

int main() {
    int t;
    cin >> t;
    for(int a0 = 0; a0 < t; a0++){
        int n;
        cin >> n;
        vector<int> a(n);
        for(int a_i = 0; a_i < n; a_i++){
           cin >> a[a_i];
        }
        string result = canConstruct(a);
        cout << result << endl;
    }
    return 0;
}