#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 r=0;
    int *d;
    d= (int *)malloc(sizeof(int)*10);
    for(int i=0;i<a_size;i++)
    {
        int e;
        e = a[i];
        while(e)
        {
            d[e%10]++;
            r = r + e%10;
            e = e/10;
        }
    }
    if(r%3==0)
        return "Yes";
/*    int y;
    y = r%3;
    if(y==1)
    {
        for(int k=1;k<=9;k=k+3)
        {
            if(d[k])
                return "Yes";
        }
        return "No";
    }
    for(int k=2;k<=9;k=k+3)
    {
        if(d[k])
            return "Yes";
    }
*/    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;
}