#!/bin/python3

import sys

def canConstruct(a):
    a = list(map(str, a))
    a = list("".join(a))
    a = list(map(int, a))
    return ("Yes" if (sum(a) % 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)