#!/bin/python3

import sys

def canConstruct(a):
    sm=0
    for x in a:
        for el in str(x):
            sm+=int(el)
    return 'Yes' if not sm%3 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)