#!/bin/python3

import sys

def canConstruct(a):
    # Return "Yes" or "No" denoting whether you can construct the required number.
    rec = 0
    for i in range(n):
        while a[i] > 0:
            rec += a[i] % 10
            a[i] = a[i] // 10
    
    if rec % 3 == 0:
        return "Yes"
    else:
        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)