public class Run 
{
	public static void main(String args[])
	{
		Stack s=new Stack();
		Product p1=new Product("老1",s);
		Product p2=new Product("老2",s);
		Product p3=new Product("老3",s);

		Consumer c1=new Consumer("小1",s);
		Consumer c2=new Consumer("小2",s);
		
		p1.start();
		p2.start();
		p3.start();
		c1.start();
		c2.start();
	}
}