n=int(input(),16)
n8=oct(n)
stn16=str(n)
stn=str(n8)
stn8=stn[2::]
N8=[]
N16=[]
a=[]
for j in range(0,10):
    N8.append(stn8.count(str(j)))
for i, j in zip(range(0,10), N8):
    a.append((i,j))
maxi=max(N8)

ans=[]
for (i,j) in a:
    if j==maxi:
        ans.append(i)
        continue

print(*ans)