public   static   void  main(String arg[])  throws  IOException
	{
		String str = "Eto : © - simvol avtorskogo prava, a eto: &copy - net";
		
		 byte  b[] = str.getBytes();
		 
		ByteArrayInputStream in =  new  ByteArrayInputStream(b);
		BufferedInputStream buf =  new  BufferedInputStream(in);
		
		 int  c;
		 boolean  marked = false;
		
		 while  ((c=buf.read()) != - 1  )
		{
			 switch (c)
			{
				 case  '&':
				{
					 if  (!marked)
					{
						buf.mark( 32 );
						marked = true;
					}
					 else 
						marked = false;
				}
				 break ;
				 case  ';':
				{
					 if  ( marked ) 
					{
						marked = false;
						System.out.print(c);
					}
					 else 
						System.out.print(( char )c);
				}
				 break ;
				 case  ' ':
				{
					 if  ( marked )
					{
						marked = false;
						buf.reset();
						System.out.print("&");
					}
					 else 
						System.out.print(( char )c);
				}
				 break ;
				 default :
				{
					 if  ( !marked )
					{
						System.out.print(( char )c);
					}
				}
				 break ;
			}
		}
	}

 case  ';':
				{
					 if  ( marked ) 
					{
						marked = false;
						System.out.print("(c)); // !!!!!!!!!!!!!!!!!!!!!!!!!!!!
					}
					 else 
						System.out.print(( char )c);
				}