#!/bin/python3

import sys




if __name__ == "__main__":
    t = int(input().strip())
    for a0 in range(t):
        n = int(input().strip())
        a = list(map(int, input().strip().split(' ')))
        z="".join(str(x) for x in a)
        d = [int(y) for y in str(z)]
        if(sum(d)%3==0):
            print("Yes")
        else:
            print("No")