#!/bin/python3

import sys

def canConstruct(a):
    sum=0
    for i in range(0, len(a)):
        x= a[i]
        z=0
        while x:
            sum += x%(10**z)
            x= x//(10**z)
            z+=1
    if sum%3 == 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)