from collections import Counter

s = input()
counter = Counter(s)

C = {'0': 20104, '1': 20063, '2': 19892, '3': 20011, '4': 19874, '5': 20199, '6': 19898, '7': 20163, '8': 19956, '9': 19841, '.': 1}
ANS = ['', '']
for i in range(10):
    i = str(i)
    if counter[i] == C[i] + 1:
        ANS[0] = i
    elif counter[i] == C[i] - 1:
        ANS[1] = i
print(*ANS)