m = 0

P = [i for i in range(5, 31)]

Q = [i for i in range(14, 24)]

for Amin in range(1, 101):

for Amax in range(Amin + 1, 101):

check = 1

A = [i for i in range(Amin, Amax)]

for x in range(1, 101):

f = ((x in P) == (x in Q)) <= (not(x in A))

if not f:

check = 0

break

if check == 1:

m = max(m, Amax - Amin)

print(m)

c=[]

for a0 in range(0,350):

for a1 in range(a0+1,350):

fl=True

for t in range(0,350):

x=t/10

P=5.0<=x<=30.0

Q=14.0<=x<=23.0

A=(a0/10)<=x<=(a1/10)

f=(P==Q)<=(not(A))

if f==False:

fl=False

break

if fl==True:

c.append(round(a1/10)-round(a0/10))

print(max(c))