#!/bin/python3

import sys

def canConstruct(a):
    n=0
    for i in a:
        t=str(i)
        for k in t:
            n=n+int(k)
    if (n % 3 ==0):
        return ("Yes")
    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)