#!/bin/python3

import sys

def sum_digits(n):
    s = 0
    while n:
        s += n % 10
        n //= 10
    return s

def canConstruct(a):
    # Return "Yes" or "No" denoting whether you can construct the required number.
    if(len(a)==1):
        if(a[0]%3==0):
            return "Yes"
        else:
            return "No"
    if(len(a) < 1):
        return "No"
    
    add = 0
    for i in range(len(a)):
        add += sum_digits(a[i])
    if(add%3==0):
        return "Yes"
    
    
    return "No"


t = int(input().strip())
for a0 in range(t):
    n = int(input().strip())
    a = list(map(int, input().strip().split(' ')))
    result = canConstruct(a)
    print(result)