dic = {"A": "1010",
       "B": "1011",
       "C": "1100",
       "D": "1101",
       "E": "1110",
       "F": "1111"}

S = input()
B = ""
for s in S:
    B += dic[s]
B = (-len(B) % 3) * "0" + B
X = [0] * 8
for i in range(0, len(B), 3):
    X[int(B[i:i + 3], 2)] += 1

maxa = 0
ans = []
for i in range(8):
    if maxa < X[i]:
        maxa = X[i]
        ans = [i]
    elif maxa == X[i]:
        ans.append(i)
print(*ans)