game.py

from pwn import *


def cou(g):
    if (g == 1):
        return 2
    elif (g == 0):
        return 1
    else:
        return (cou(g - 1)) + g


context(arch='i386', os='linux')
s = remote("tcp.vpando.ru", 53762)

string = s.recv().decode()

number = [int(s) for s in string.split() if s.isdigit()]

s.sendline(str(cou(number[-1])))

while (True):
    string = s.recv()
    print(string)
    number = [int(s) for s in string.split() if s.isdigit()]
    print(*number)
    s.sendline(str(cou(*number)))