import sys
import re


def is_ipv4_addr(s):
    regexp = '^((25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\.){3}' + \
             '(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$'
    if re.search(regexp, s):
        return True


def is_ipv4_cidr(s):
    regexp = '^((25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\.){3}' + \
             '(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)' + \
             '(\\/)(3[0-2]|[012][0-9]|[0-9]?)$'
    if re.search(regexp, s):
        return True


def preflen_to_mask(preflen):
    bits = 0
    for i in range(32 - int(preflen), 32):
        bits |= (1 << i)
    return '%d.%d.%d.%d' % ((bits & 0xff000000) >> 24, \
                            (bits & 0xff0000) >> 16, \
                            (bits & 0xff00) >> 8, \
                            (bits & 0xff))


def ipv4_network_addr(addr, mask):
    return '.'.join([str(int(octet) & int(masked)) \
           for octet, masked in zip(addr.split('.'), mask.split('.'))])


def is_network(addr, preflen):
    mask = preflen_to_mask(preflen)
    network = ipv4_network_addr(addr, mask)
    if network == addr:
        return True


def is_ipv4_cidr_addr(s):
    if not is_ipv4_cidr(s):
        return False
    addr, preflen = s.split('/')
    if not is_network(addr, preflen):
        return True


def is_ipv4_cidr_netw(s):
    if not is_ipv4_cidr(s):
        return False
    addr, preflen = s.split('/')
    if is_network(addr, preflen):
        return True


def is_ipv4_range(s):
    regexp = '^((25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\.){3}' + \
             '(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)' + \
             '(\\-)' + \
             '((25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\.){3}' + \
             '(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$'
    if not re.search(regexp, s):
        return False
    addr1, addr2 = s.split('-')
    addr1 = addr1.split('.')
    addr2 = addr2.split('.')
    for i in range(4):
        if int(addr1[i]) > int(addr2[i]):
            return False
    return True


def main(arg):
    if is_ipv4_addr(arg):
        print('%s - ipv4 address' %arg)
    elif is_ipv4_cidr_addr(arg):
        print('%s - ipv4 cidr addr' %arg)
    elif is_ipv4_cidr_netw(arg):
        print('%s - ipv4 cidr netw' %arg)
    elif is_ipv4_range(arg):
        print('%s - ipv4 range' %arg)


if __name__ == '__main__':
    args = sys.argv[1:]
    for arg in args:
        main(arg)