#!/bin/python3

import sys

def canConstruct(a):
    # Return "Yes" or "No" denoting whether you can construct the required number.
    somme = 0
    for i in a:
        somme += sum_digits(i)
    
    if (somme%3 == 0):
        return "Yes"
    else:
        return "No"
         
            
def sum_digits(n):
    s = 0
    while n:
        s += n % 10
        n //= 10
    return s

if __name__ == "__main__":
    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)