package main

import (
	"io"
	"log"
	"net"
	"os"
)

func mustCopy(dst io.Writer,src io.Reader) {
	if _,err := io.Copy(dst,src); err != nil {
		log.Fatalf("Error in mustCopy",err)
	}

}

func main() {
	conn,err := net.Dial("tcp",":9090")
	if err != nil {
		log.Fatalf("Error in Dial %s",err)
	}
	defer conn.Close()
	
	go mustCopy(os.Stdout,conn)
	mustCopy(conn,os.Stdin)
}