#include <math.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <assert.h>
#include <limits.h>
#include <stdbool.h>

char* canConstruct(int n, int* a) {
  int sum, num;
  sum = 0;
  for(int i=0; i<n; i++) {
    num = a[i];
    while(num > 0) {
      sum += num%10;
      num = num / 10;
    }
  }
  return (sum%3 == 0)? "Yes": "No";
}

int main() {
    int t; 
    scanf("%i", &t);
    for(int a0 = 0; a0 < t; a0++){
        int n; 
        scanf("%i", &n);
        int *a = malloc(sizeof(int) * n);
        for (int a_i = 0; a_i < n; a_i++) {
           scanf("%i",&a[a_i]);
        }
        int result_size;
        char* result = canConstruct(n, a);
        printf("%s\n", result);
    }
    return 0;
}