#!/bin/python3

import sys

def canConstruct(a):
    sum1=0
    for b in a:
        temp=str(b)
        for c in temp:
            sum1+=int(c)
    if sum1%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)
        print(result)