#!/bin/python3

import sys

def canConstruct(a):
    s = 0
    for i in a:
        for j in i:
            s += int(j)%3
    s = s%3
    if(s == 0):
        return 'Yes'
    return 'No'
    
if __name__ == "__main__":
    t = int(input().strip())
    for a0 in range(t):
        n = int(input().strip())
        a = input().strip().split(' ')
        result = canConstruct(a)
        print(result)