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58. 58

n = int(input())
d = n
i = 0
a = 0
c = 0
has1 = False
has2 = False
has3 = False 
has4 = False
has5 = False
has6 = False
has7 = False
has8 = False
last_dig = 0
while n > 0:
    last_dig = n % 10
    if last_dig > i :
        i = last_dig
        if last_dig == 1:
            c = 1
    elif last_dig == 1:
        has1 = True
    elif last_dig == 2:
        has2 = True
    elif last_dig == 3:
        has3 = True
    elif last_dig == 4:
        has4 = True
    elif last_dig == 5:
        has5 = True
    elif last_dig == 6:
        has6 = True
    elif last_dig == 7:
        has7 = True
    elif last_dig == 8:
        has8 = True
    n = n // 10
c = d % 10
if has1 == True and c >= 1:
    a = 1
elif has2 == True and c >= 2:
    a = 2
elif has3 == True and c >= 3:
    a = 3
elif has4 == True and c >= 4:
    a = 4
elif has5 == True and c >= 5:
    a = 5
elif has6 == True and c >= 6:
    a = 6
elif has7 == True and c >= 7:
    a = 7
elif has8 == True and c >= 8:
    a = 8
else:
    a = c
print('Максимальная цифра равна', i)
print('Минимальная цифра равна', a)