import ipaddress

ip = ipaddress.IPv4Address('172.16.0.0')
bits = '{:#b}'.format(ip).strip('0b')

result = ''
for i in range(0, 32, 4):
    result += bits[i:i+4]
    result += '  ' if (i + 4) % 8 == 0 else ' '

print(result.strip())