#!/bin/python3

import sys
from functools import reduce

def divBy3(n):
    return True if n%3 == 0 else False

def canConstruct(a):
    # Return "Yes" or "No" denoting whether you can construct the required number.
    i= sum([int(x) for x in reduce(lambda x,y: x+y,[str(num) for num in a])]) 
    if i % 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)