import socket

HOST = ''  # Symbolic name, meaning all available interfaces
PORT = 8888  # Arbitrary non-privileged port

s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
s.bind((HOST, PORT))

# Start listening on socket
s.listen(20)

total_sum = 20

# now keep talking with the client
try:
    while 1:
        # wait to accept a connection - blocking call
        conn, addr = s.accept()
        r = conn.recv(1024)
        t = 0
        for i in r:
            if i == ord('\n'):
                break
            t += 1

        r = r[0:t]
        print(r)
        total_sum += int(r.decode("utf-8").split(": ")[1])
        print(total_sum)
        if total_sum < 0 or total_sum > 20:
            print("AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA")
        conn.send(b"OK\n")
        conn.close()
except KeyboardInterrupt:
    pass
finally:
    s.close()