#!/bin/python3

import sys

def canConstruct(a):
    S = 0
    for i in a:
        for j in str(i):
            S += int(j)
        
    if S%3 == 0:
        print("Yes")
        
    else:
        print("No")

if __name__ == "__main__":
    t = int(input().strip())
    for a0 in range(t):
        n = int(input().strip())
        a = list(map(int, input().strip().split(' ')))
        canConstruct(a)