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

void canConstruct(int n, int* a) {
    // Return "Yes" or "No" denoting whether you can construct the required number.
    int i, j;
    long int rem, sum = 0;
        for(i=0;i<n;i++)
        {
            for(j=a[i];j>0;j=j/10)
            {
                rem=j%10;
                sum=sum+rem;
            }       
        }
        if(sum % 3 == 0)
            printf("Yes\n");
        else
            printf("No\n");
}

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]);
        }
        canConstruct(n, a);
    }
    return 0;
}