import sys
sys.stdin = open('MATKHAU.INP','r')
sys.stdout = open('MATKHAU.OUT','w')

s = input()
n = len(s)
if n>=8:
    d1 = d2 = d3 = 0
    for i in s:
        if 'A'<=i<='Z':
            d1+=1
        elif 'a'<=i<='z':
            d2+=1
        elif '0'<=i<='9':
            d3+=1
    print(n if d1 and d2 and d3 else 0)
else:
    print(0)

import sys
sys.stdin = open("MATKHAU.inp", "r") 
sys.stdout = open("MATKHAU.out", "w") 

s = input()
a = False
b = False
c = False
d = 0
for c in s:
    d += 1
    if c.isalpha():
        if c.lower():
            a = True
        if c.upper():
            b = True
    if c.isdigit():
        c = True
print(d if d >= 8 and a and b and c else 0)