#!/usr/bin/python

import socket
import struct
import sys

#value = 191041708
def to_ipaddr(value):
    packed = socket.ntohl(value)
    x = struct.pack('!I', packed)
    return socket.inet_ntoa(x)

if __name__ == '__main__':
    value = int(sys.argv[1])
    print(to_ipaddr(value))