#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) {
    // Return "Yes" or "No" denoting whether you can construct the required number.
//}

int main() {
    int t,x,y=0,z=0; 
    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]);
            x=a[a_i];
            do
            {
               z=x%10;
                x=x/10;
                y+=z;
            }while(x/10!=0);
        }
        if(y%3==0)
            printf("Yes\n");
        else
            printf("No\n");
    }
    return 0;
}