#!/bin/python3

import sys

def canConstruct(a):
    bigtotal = 0
    for i in range(len(a)):        
        new = str(a[i])
        total = 0
        for y in range(len(new)):
            total += int(new[y])
        #print(total)
        bigtotal+=total
    if bigtotal%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)