c = [0] * 8
S = input()
orda = ord('A')
N = len(S)
for i in range(N % 3, N, 3):
	n = 0
	for j in range(i, i + 3):
		n = n * 16 + ord(S[j]) - orda + 10
	for _ in range(4):
		c[n % 8] += 1
		n //= 8
n = 0
for j in range(N % 3):
	n = n * 16 + ord(S[j]) - orda + 10
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)