题解 | #整数与IP地址间的转换#

import sys

def replace_b(org_num):
    i_2_remainder = (len(org_num)-2)%8
    if i_2_remainder != 0:
        ini=''
        for i in range(8-i_2_remainder):
            ini+='0'
        return org_num.replace('0b',ini)
    else:
        return org_num.replace('0b','')

# ip to num
ip =input()
list_ip = map(int,ip.split('.'))
list_ip_2=''
for i in list_ip:
    i_2=bin(i)
    list_ip_2+=replace_b(i_2)
print(int(list_ip_2,2))

# num to ip
num = int(input())
list_num_2 = replace_b(bin(num))
for i in range(4):
    num_2=list_num_2[i*8:(i+1)*8]
    if i < 3:
        print(int(num_2,2),end='.')
    else:
        print(int(num_2,2))