l=["A","B","C","D","E","F"]
n=list(input().strip())
n=[l.index(n[i])+10 for i in range(len(n))]
n.reverse()
n=[n[i]*16**(i)for i in range(len(n))]
a=0
m=[]
for i in range(8):
    k=oct(sum(n))[2:].count(str(i))
    if a<=k:
        if a<k:
            m=[]
        m+=[i]
        a=k
m=[str(i)for i in m]
print(" ".join(m))