from collections import Counter
S=input()
C=Counter(S)

CX={'5': 20199, '7': 20163, '0': 20104, '1': 20063, '3': 20011, '8': 19956, '6': 19898, '2': 19892, '4': 19874, '9': 19841, '.': 1}

ANS=["0","0"]

for i in range(10):
    k=str(i)
    if C[k]==CX[k]+1:
        ANS[0]=k
    elif C[k]==CX[k]-1:
        ANS[1]=k

print(*ANS)