#!/bin/python

import sys

def canConstruct(a,n):
    # Return "Yes" or "No" denoting whether you can construct the required number.
    for i in a:
        Sum = 0
        for j in a:
            while(j>0):
                R = j%10
                Sum = Sum + R
                j = j //10
            
            
        if Sum % 3 == 0:
            return 'Yes'
        
        else:
            return 'No'
        
        
        
        
if __name__ == "__main__":
    t = int(raw_input().strip())
    for a0 in xrange(t):
        n = int(raw_input().strip())
        a = map(int, raw_input().strip().split(' '))
        result = canConstruct(a,n)
        print result