import socket
import struct


def ip2int(addr):
    return struct.unpack("!I", socket.inet_aton(addr))[0]


def int2ip(addr):
    return socket.inet_ntoa(struct.pack("!I", addr))


a = ip2int('10.13.37.254')
b = a + 1
while (b & 0xFF) in (0x00, 0xFF):
    b += 1
c = int2ip(b)
print(a, b, c)