import java.io.IOException;
import java.io.PipedInputStream;
import java.io.PipedOutputStream;

public class UTP_3
{
	public static void main(String[] args) throws IOException
	{
		PipedInputStream pis = new PipedInputStream(5);
		PipedOutputStream pos = new PipedOutputStream(pis);
		ThreadA receiver = new ThreadA(pis);
		ThreadB sender = new ThreadB(pos);
		Thread ra = new Thread(receiver, "ThreadA");
		Thread rb = new Thread(sender, "ThreadB");
		ra.start();
		rb.start();
	}

}