public class ExStack
{
    private void a(int c)
    {
	System.out.println(c);
	if (c>10) 
	{
	    Thread.dumpStack();
	    return;
	}
	b(c+1);
    }
    private void b(int c)
    {
	c(c+1);
    }
    private void c(int c)
    {
	a(c+1);
    }
    
    public static void main(String[] args)
    {
	ExStack exs = new ExStack();
	exs.a(0);
    }
    
}