#include<stdio.h>
#include<stdlib.h>
int Sum_Of_Digits(int x){
    int sum = 0;
    while(x > 0){
      sum += x%10;
      x /= 10;       
      }
    return(sum);
    }
char* canConstruct(int a_size, int* a) {
    // Return "Yes" or "No" denoting whether you can construct the required number.
    int i,sum=0;
    for(i=0;i < a_size;i++)
      sum += Sum_Of_Digits(a[i]);          
    if(sum % 3 == 0)
      return("Yes");
    return("No");
}
int main() {
    int t,a0,a_i; 
    scanf("%i", &t);
    for(a0 = 0; a0 < t; a0++){
        int n; 
        scanf("%i", &n);
        int *a = (int *)malloc(sizeof(int) * n);
        for (a_i = 0; a_i < n; a_i++) 
           scanf("%i",&a[a_i]);
        char* result = canConstruct(n, a);
        printf("%s\n", result);
    }
    return 0;
}