#!/bin/python3

import sys

def canConstruct(a):
    res = 0
    for num in a:
        for c in num:
            res += int(c) % 3
    return res % 3 == 0

if __name__ == "__main__":
    t = int(input().strip())
    for a0 in range(t):
        n = int(input().strip())
        a = list(input().strip().split(' '))
        result = canConstruct(a)
        if(result):
            print("Yes")
        else:
            print("No")