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

d = {'U':[],'V':[],'W':[],'X':[],'Y':[],'Z':[]}

l = 0

maxi = 0

for i in range(len(s)):

if s[i] in 'UVWXYZ':

d[s[i]].append(i)

if len(d[s[i]]) > 100:

if d[s[i]][0] + 1 > l:

l = d[s[i]][0] + 1

del d[s[i]][0]

maxi = max(maxi, i - l +1)

print(maxi)

s = open("24.txt").readline()

d={'U':0, 'V':0, 'W':0, 'X':0, 'Y':0, 'Z':0}

l=0

coun=0

mx=0

for r in range(len(s)):

if s[r] in d:

d[s[r]] += 1

if d[s[r]] > 100:

while s[l:r+1].count(s[r]) == 101:

l+=1

d[s[r]]-=1

coun = len(s[l:r+1])

mx = max(coun, mx)

print(mx

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

dic = {c:0 for c in 'UVWXYZ'} # ко­ли­че­ства сим­во­лов

ndx = [-1]+[i for i in range(len(s)) if s[i] in dic.keys()]+[len(s)] # ин­дек­сы сим­во­лов

b,e,m = 0,1,0 # на­ча­ло, конец, макс. длина

while True:

if max(dic.values()) <= 100:

m = max(m,ndx[e]-ndx[b]-1)

if e == len(ndx)-1: break

dic[s[ndx[e]]] += 1

e += 1

else:

b += 1

dic[s[ndx[b]]] -= 1

print(m)

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

d = {'A':[],'B':[],'C':[],'D':[],'E':[],'F':[]}

l = 0

maxi = 0

for i in range(len(s)):

if s[i] in 'ABCDEF':

d[s[i]].append(i)

if len(d[s[i]]) > 100:

if d[s[i]][0] + 1 > l:

l = d[s[i]][0] + 1

del d[s[i]][0]

maxi = max(maxi, i - l +1)

print(maxi)

t = open('24.txt').read()

s, j = '', 600

for i in range(len(t)):

c=t[i:i+j]

j=len(s)

while all(c.count(x) < 101 for x in 'ABCDEF') and i+j+1 < len(t):

j+=1

c=t[i:i+j]

if any(c.count(x) > 100 for x in 'ABCDEF'):c=c[:-1]

if len(c) > len(s): s=c

print(len(s))