#include <math.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <assert.h>
#include <limits.h>
#include <stdbool.h>

int  canConstruct(int n, unsigned long long int* a) {
    unsigned long long int i,sum=0;
    for(i=0;i<n;i++){
        int s=a[i];
        while(s>0){
            sum=sum+(s%10);
            s=s/10;
        }
    }
    if(sum%3==0)
        return 1;
    else
        return 0;
    // Return "Yes" or "No" denoting whether you can construct the required number.
}

int main() {
    int t; 
    scanf("%i", &t);
    for(int a0 = 0; a0 < t; a0++){
        int n; 
        scanf("%i", &n);
        unsigned long long int *a = malloc(sizeof(unsigned long long int) * n);
        for (int a_i = 0; a_i < n; a_i++) {
           scanf("%llu",&a[a_i]);
        }
        
        int r= canConstruct(n, a);
        if(r==1)
            printf("Yes\n");
        else
            printf("No\n");
        
    }
    return 0;
}