c = [0] * 8
S = input()[::-1]
orda = ord('A')
N = len(S)
for i in range(N // 3 + 1):
	n = 0
	for j in range(i * 3, min(i * 3 + 3, N)):
		n = n * 16 + ord(S[j]) - orda + 10
	if i < N // 3:
		for _ in range(4):
			c[n % 8] += 1
			n //= 8
	else:
		while n:
			c[n % 8] += 1
			n //= 8
mx = max(c)
ans = []
for i in range(8):
	if c[i] == mx:
		ans.append(i)
print(*ans)