# Pastebin SW4XZq33
from random import randint, choice
from string import hexdigits

def random_ip(v):
    
    if v == 4:
        octets = []
        for x in range(4):
            octets.append(str(randint(0,255)))
        return '.'.join(octets)
        
    if v == 6:
        hextets = []
        for y in range(8):
            hextet = []
            for z in range(4):
                hextet.append(str(choice(hexdigits.lower())))
            hextets.append(''.join(hextet))
        return ':'.join(hextets)

print(random_ip(4))
print(random_ip(6))