#!/bin/python3

import sys

def canConstruct(a,n):
    sum=0
    for num in a:
        arr=str(num)
        for digit in arr:
            sum=int(digit)+sum
    if sum%3==0:
        return "Yes"
    else:
        return "No"
            
    # Return "Yes" or "No" denoting whether you can construct the required number.

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,n)
        print(result)