#!/bin/python3

import sys

def sumdigits(num):
    sd = 0
    while num:
        sd += num % 10
        num //= 10
    return sd
    
def canConstruct(a):
    sol = 0
    for ai in a:
        sol += sumdigits(ai)
    return 'Yes' if sol % 3 == 0 else '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)