import java.util.*;
import java.net.*;

public class Socketsv01 {
	public static void main(String[] args){
		try{
			Scanner stdin = new Scanner(System.in);
			System.out.print("ポート番号 : ");
			int port = Integer.parseInt(stdin.nextLine());
			ServerSocket ssock = new ServerSocket(port);
			Socket sock = ssock.accept();
			Scanner netin = new Scanner(sock.getInputStream());
			while(true){
				System.out.print("> ");
				System.out.println(netin.nextLine());
			}
		}catch(Exception ex){
			System.out.println("終了しました。");
		}
	}
}