#!/bin/python3

import sys

def canConstruct(a):
    _str = ''.join(list(map(str, a)))
    _sum = 0
    for c in _str:
        _sum += int(c)
    if _sum % 3 == 0:
        return 'Yes'
    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)