#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 remainder,rev;
       while(a != 0)

    {
        remainder = a%10;
        rev = rev*10 + remainder;
        a /= 10;
    }if(rev%3==0)
       printf("Yes");
    else
        printf("No");
    return;
}

int main() {
    int t; 
    scanf("%d", &t);
    for(int a0 = 0; a0 < t; a0++){
        int n; 
        scanf("%d", &n);
        int *a = malloc(sizeof(int) * n);
        for (int a_i = 0; a_i < n; a_i++) {
           scanf("%d",&a[a_i]);
        }
        int result_size;
        char* result = canConstruct(n, a);
        printf("%s\n", result);
    }
    return 0;
}