#!/bin/python3

import sys

def canConstruct(a):
    # Return "Yes" or "No" denoting whether you can construct the required number.
    s = 0
    for i in a:
        st = str(i)
        
        for j in st:
            s += int(j)
    if s % 3 == 0:
        return 'Yes'
    return '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)