#!/bin/python3

import sys
import math

def canConstruct(a):
    sum = 0
    for i in a:
        while i is not 0:
            d = i%10
            sum += d
            i = math.floor(i/10)
    if sum%3 is 0:
        return 'Yes'
    else:
        return 'No'

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)