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

int main() {
    int t; 
    scanf("%i", &t);
    for(int a0 = 0; a0 < t; a0++){
        int n; 
        int temp,factor=1,sum=0;
        scanf("%i", &n);
        int *a = malloc(sizeof(int) * n);
        for (int a_i = 0; a_i < n; a_i++) {
           scanf("%i",&a[a_i]);
            temp = a[a_i];
  while(temp){
      temp=temp/10;
      factor = factor*10;
  }
  while(factor>1){
      factor = factor/10;
      sum = sum + a[a_i]/factor;
      a[a_i] = a[a_i] % factor;
  }        
        }
        if(sum%3==0){
            printf("Yes\n");
        }
        else
            printf("No\n");
        
    }
    return 0;
}