#include <bits/stdc++.h>
using namespace std;

int sumOfDigits(int num){
    int sum = 0;
    while(num != 0){
        sum += num%10;
        num /= 10;
    }
    return sum;
}

int main() {
    int t;  cin >> t;
    while(t--){
        int n;  cin >> n;
        int sum = 0;
        for(int i = 0; i < n; i++){
            int val;    cin >> val;
            sum += sumOfDigits(val);
        }
        if(sum%3 == 0){
            cout << "Yes" << endl;
        } else {
            cout << "No" << endl;
        }
    }
    return 0;
}