Level 2b: Please Pass the Coded Messages.py

from itertools import combinations
 
def solution(l):
	l.sort(reverse = True)
	for i in reversed(range(1, len(l) + 1)):
		for tup in combinations(l, i):
			if sum(tup) % 3 == 0: return int(''.join(map(str, tup)))
	return 0