--- Ex.4.java	2007-05-29 20:10:01.000000000 +0100
+++ Ex.5.java	2007-05-29 20:11:03.000000000 +0100
@@ -25,6 +25,7 @@
     for (i = 0; i < pubs.length; ++i)
       r[i] = pubs[i].getBeer(i+1);
     for (i = pubs.length - 1; i >= 0 && r[i] != 0; --i);
+    System.out.println("99 bottles of beer on the wall");
     return i + 1;
   }
 }