use python script to automate all unzipping process and after done, get the flag
```pythonimport os,zipfile
for i in range(1000, -1, -1):    direction = os.popen("cat direction.txt").read()    name = "{}{}.zip".format(i, direction)    compressed = zipfile.ZipFile(name)    compressed.extractall()```
`nactf{1_h0pe_y0u_d1dnt_d0_th4t_by_h4nd_87ce45b0}`