f=open('24.txt')

s=f.readline()

alfavit='0123456789ABCDEFGHIJKLMN'

mx=0

cnt=0

for i in range(len(s)):

if s[i] in alfavit:

cnt+=1

if cnt>mx:

mx=cnt

else:

cnt=0

mx = max(cnt, mx)

print(mx)

s=''.join([c if '0'<= c <= '9' or 'A'<= c <= 'N' else ' ' for c in open('24_59848.txt').readline()])

print(max([len(x.lstrip('0')) for x in s.split()]))

alphabet = sorted('0123456789QWERTYUIOPASDFGHJKLZXCVBNM')

s = open('24_59848.txt').readline()

for a in alphabet[24:]:

s = s.replace(a, ' ')

print(max([len(x) for x in s.split()]))