#!/bin/python3

import sys

def canConstruct(a):
    # Return "Yes" or "No" denoting whether you can construct the required number.
    c = 0
    for i in a: 
        temp = str(i)
        for b in temp: 
            c += int(b)
    if c % 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)