#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) {
    long long int sum = 0;
    int I;
    for(int i=0; i<a_size; i++){
        I = 1;
        while(a[i]!=0){
            sum = sum + a[i]%I;
            a[i] = a[i] - a[i]%I;
            I = I + 10;
        }
    }
    if (sum%3 == 0)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;
}