Net2 solution

#!/usr/bin/python

from socket import *
from struct import *

s = socket(AF_INET, SOCK_STREAM)
s.connect(('192.168.66.11', 2997))
dato=unpack("<I",s.recv(1024))[0]
dato1=unpack("<III",s.recv(1024))[0:3]
tupla0=dato1[0]
tupla1=dato1[1]
tupla2=dato1[2]
somma=dato+tupla0+tupla1+tupla2
print somma
s.send(pack("<I",somma))
print s.recv(1024)
s.close()