#!/bin/python3


def canConstruct(a):
    l = list()
    for element in a:
        l += [int(d) for d in str(element)]
    return "Yes" if sum(l) % 3 == 0 else "No"


# Return "Yes" or "No" denoting whether you can construct the required number.

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)