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

char* canConstruct(int a_size, long* a) {
    long sum=0;
  for(int i=0;i<a_size;i++){
      long temp=a[i];
      while(a[i]){
          sum+=a[i]%10;
          a[i]=a[i]/10;
      }
  }
   if(sum%3==0){
       return "Yes";
   }else{
       return "No";
   }
}

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