#!/bin/python import sys def canConstruct(a): aa=sum(a) if aa%3==0: return "Yes" else: return "No" # Return "Yes" or "No" denoting whether you can construct the required number. 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) print result