#include <bits/stdc++.h>

using namespace std;

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