#!/bin/python3

import sys

def canConstruct(a):
    tot = 0;
    for number in a:
        s = str(number)
        for c in s:
            tot += int(c)
    return "Yes" if tot % 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)