#!/bin/python3

import sys

def canConstruct(a):
    ap=[]
    for a0 in a:
        ap+=list(a0)
    b=sum([int(x) for x in ap])%3
    if b==0:
        result='Yes'
    else:
        result='No'
    return result

if __name__ == "__main__":
    t = int(input().strip())
    for a0 in range(t):
        n = int(input().strip())
        a = input().strip().split(' ')
        result = canConstruct(a)
        print(result)