from subprocess import *
from subprocess import Popen, PIPE, STDOUT
import string
flag="M"
k=2
#"MeePwn{g0l4ng_Asc11Art_1S_4wS0me}"
for _ in range(33):

    for c in string.printable:
        input=""
        input=flag+c+"*"*(33-k)
        p = Popen(['./image_crackme.exe'], stdout=PIPE, stdin=PIPE, stderr=STDOUT)

        if (len(input)!=33):
            print len(input)
        p.communicate(input=input+"\n")[0]
        f1=open("./MeePwn.ascii","r")
        str1=f1.readline()
        f2=open("./MeePwn.ascii.bak","r")
        str2=f2.readline()

        if (str2[:k] ==str1[:k] and  str2[len(input):len(input)+k]==str1[len(input):len(input)+k] and str2[len(input)*2:len(input)*2+k]==str1[len(input)*2:len(input)*2+k] and str2[len(input)*3:len(input)*3+k]==str1[len(input)*3:len(input)*3+k]  ):
            flag=flag+c
            k=k+1;
            print input