#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, int* a) 
{
    int sum = 0;
    
    for(int i=0; i<a_size; i++)
    {
        sum += a[i]%10;
        a[i] /= 10;
        sum += a[i]%10;
        a[i] /= 10;
        sum += a[i]%10;
        
        a[i] /= 10;
        sum += a[i]%10;
        a[i] /= 10;
        sum += a[i]%10;
        a[i] /= 10;
        sum += a[i]%10;
        
        a[i] /= 10;
        sum += a[i]%10;
        a[i] /= 10;
        sum += a[i]%10;
        a[i] /= 10;
        sum += a[i]%10;
        
        a[i] /= 10;
        sum += a[i]%10;
        a[i] /= 10;
        sum += a[i]%10;
    }
    
    if( (sum>0) && (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);
        
        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;
}