import os,threading

numb = ['0','1','2','3','4','5','6','7','8','9',
'a','b','c','d','e','f','g','h',
'i','j','k','l','m','n','o','p',
'q','r','s','t','u','v','w','x','y','z']

def calc_pass(first=0,laster=0):

    # print('thread start :'+first)
    for s in numb:
        #passwd.append(fi+s)
        for t in numb:
            #passwd.append(fi+s+t)
            for four in numb:
                if os.popen('./server -u 11 -g 10 -p '+s+t+four).readline()!='WRONG PASSWORD!\n':
                    print(+s+t+four)
                    break

if __name__ == '__main__':
    map(lambda first:threading.Thread(target=calc_pass, args=(0,"0")).start(),numb)


# 最终版本
import os
import threading
numb = ['0','1','2','3','4','5','6','7','8','9',
'a','b','c','d','e','f','g','h',
'i','j','k','l','m','n','o','p',
'q','r','s','t','u','v','w','x','y','z']
def calc_pass(first='0',laster=0):
    # print('thread start :'+first)
    for s in numb:
        #passwd.append(fi+s)
        for t in numb:
            if os.popen('./server -u 114 -g 18 -p '+first+s+t).readline()!='WRONG PASSWORD!\n':
                print(first+s+t)
                break

if __name__ == '__main__':
    map(lambda first:threading.Thread(target=calc_pass, args=(first,"0")).start(),numb)