#!/bin/python3

import sys

def canConstruct(a):
    sm = 0
    for i in a:
        for j in str(i):
            sm += int(j)
    return 'Yes' if sm%3==0 else '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)