#!/bin/python3

import sys

def canConstruct(a):
    # Return "Yes" or "No" denoting whether you can construct the required number.
    sum= 0
    n=0
    for i in a:
        sum= sum+ i
    #print(sum)
    while sum!=0:
        n= n+ sum% 10
        sum= int(sum/10)
    #print(sum)
    if n%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)