brutecrc32

import zlib
f = open("flag.txt","w")
for a in range(0,256):
    print a
    for b in range(0,256):
        for c in range(0,256):
            for d in range(0,256):
                prev = zlib.crc32(chr(a)+chr(b)+chr(c)+chr(d), 4246039339)& 0xFFFFFFFF
                if (prev == d*256*256*256 + c*256*256 + b*256+a):
                    f.write(a +" " +b+" "+c +" "+d)
                    print a +" " +b+" "+c +" "+d;
                    f.close()
                    exit()