---

import socket
import json
import re

HOST = 'tasks.duckerz.ru'
PORT = 30009

def test_payload(payload_dict, label):
    s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    s.settimeout(10.0)
    try:
        s.connect((HOST, PORT))
        data = b""
        while b"Send to Bob:" not in data:
            chunk = s.recv(4096)
            if not chunk:
                break
            data += chunk
        
        text = data.decode('utf-8', errors='ignore')
        match = re.search(r'\{.*\}', text)
        alice = json.loads(match.group())
        
        payload = json.dumps(payload_dict)
        s.sendall((payload + "\n").encode())
        
        resp = s.recv(4096).decode('utf-8', errors='ignore').strip()
        if resp and "Connection terminated" not in resp:
            print(f"[+] УСПЕХ с '{label}'!")
            print(f"    Ответ: {resp[:300]}")
            return resp
    except Exception as e:
        pass
    finally:
        s.close()
    return None

# Получаем свежие данные
s_temp = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s_temp.settimeout(10.0)
s_temp.connect((HOST, PORT))
data = b""
while b"Send to Bob:" not in data:
    data += s_temp.recv(4096)
text = data.decode('utf-8', errors='ignore')
match = re.search(r'\{.*\}', text)
alice = json.loads(match.group())
s_temp.close()

A_hex = alice['A']
A_int = int(A_hex, 16)

# Пробуем разные форматы с A
formats = [
    ({"C": A_hex}, "C = A (hex str)"),
    ({"C": A_int}, "C = A (int)"),
    ({"C": A_hex[2:]}, "C = A (hex no 0x)"),
    ({"answer": A_hex}, "answer = A (hex str)"),
    ({"answer": A_int}, "answer = A (int)"),
    ({"answer": A_hex[2:]}, "answer = A (hex no 0x)"),
    ({"B": A_hex}, "B = A (hex str)"),
    ({"B": A_int}, "B = A (int)"),
]

print("[*] Пробуем отправить A в разных форматах...")
for payload_dict, label in formats:
    print(f"[*] Пробуем: {label}")
    resp = test_payload(payload_dict, label)
    if resp:
        break
else:
    print("\n[-] Ничего не сработало.")