import sys
input = sys.stdin.readline

S=input().strip()

ANS=0
x=0

for i in range(len(S)-1,-1,-1):
    s=ord(S[i])-65+10
    ANS+=pow(16,x)*s
    x+=1
#print(ANS)

X=[]

while ANS!=0:
    X.append(ANS%8)
    ANS//=8
#print(X)

C=[0]*8

for x in X:
    C[x]+=1

MAX=max(C)
for i in range(8):
    if C[i]==MAX:
        print(i,end=" ")