chislo = int(input())
cifra = chislo % 10
c = [cifra]
a = 100
for i in range (len(str(chislo)) - 1):
    cifra = (chislo % a - cifra % (a // 10)) // (a // 10)
    a *= 10
    c += [cifra]
min_1 = min(c)
print(c.count(min_1))