from pwn import *
import struct
LE = lambda x : struct.pack("<L" , x)
s = ssh(host='pwnable.kr',user='col',password='guest',port=2222)

hashcode = 0x21dd09ec

data1 = LE(hashcode/5)
data2 = LE(hashcode/5+hashcode%5)

r = s.run("""./col `python -c 'print "{}"*4+"{}"'` """.format(data1,data2))

print r.recvall()
s.close()