s =[int(i) for i in open('17.txt')]

maxi_3 = max([i for i in s if len(str(abs(i)))==3 and i < 0 and abs(i)%6 == 0])

otv = []

for i in range(len(s)-1):

if (s[i] < 0 and s[i+1] >= 0) or (s[i] >= 0 and s[i+1] < 0):

if (s[i] + s[i+1]) > maxi_3:

otv.append(s[i]**2 + s[i+1]**2)

print(len(otv),max(otv))

def good(p,m):

t = [x < 0 for x in p]

return sum(t) == 1 and sum(p) >= m

a = [int(s) for s in open('17.txt')]

m = max([x for x in a if x < 0 and x%6 == 0])

r = [a[i-1]**2 + a[i]**2 for i in range(1,len(a)) if good(a[i-1:i+1],m)]

print(len(r),max(r))

f = open('17.txt')

s = [int(i) for i in f]

maxi_9 = max([i for i in s if i < 0 and abs(i)%9==0 and len(str(i))==5])

otv =[]

for i in range(len(s) - 1):

if s[i]*s[i+1] < 0:

if s[i]+s[i+1] > maxi_9:

otv.append(s[i]**2 + s[i+1]**2)

print(len(otv), min(otv))

f = open('17.txt')

l = [int(i) for i in f]

m = -1000000

for i in l:

if i % 9 == 0 and -9999 < i < -1000 and i > m:

m = i

k = 0

q = 2000000000001

for i in range(len(l) - 1):

a = l[i]

b = l[i + 1]

if (a * b < 0 or (a == 0 and b < 0) or (b == 0 and a < 0)) and (a + b) > m:

k += 1

if a**2 + b**2 < q:

q = a**2 + b**2

print(k, q)

f.close()

f=open('17.txt')

a=[int(x) for x in f]

cnt=0

ma=-(10**9)

mi=10**9

for i in range (0,len(a)):

if a[i]<0 and len(str(abs(a[i])))==4 and abs(a[i])%9==0:

ma=max(ma,a[i])

for i in range (0,len(a)-1):

if (a[i]<0 and a[i+1]>=0) or (a[i]>=0 and a[i+1]<0):

if (a[i]+a[i+1])>ma:

cnt+=1

mi=min(a[i]**2+a[i+1]**2,mi)

print(cnt,mi)