package main

import (
		"fmt"
		"os"
		"net"
)

func main() {
	ip := os.Args[1];

	addr, err := net.ResolveIPAddr("ip", ip);
	if (err != nil) { panic(err) }
	conn, err := net.DialIP("ip4:tcp", nil, addr); /* XXX no ipv6 */
	if (err != nil) { panic(err) }

	fmt.Printf("%s\n", conn.LocalAddr().String());
	fmt.Printf("%s\n", conn.RemoteAddr().String());
}