--- a/fib.while	Fri Nov 23 19:31:37 2012 +0000
+++ b/fib.while	Fri Nov 23 21:21:27 2012 +0000
@@ -1,12 +1,22 @@
-{ n := 9;
-     minus1 := 0;
-     minus2 := 1;
-     temp := 0;
-     while n > 0 do  {
+/*
+  
+  Fibonacci Program
+
+  input: n
+  output: fib_res
+
+*/
+
+n := 9;
+minus1 := 0;
+minus2 := 1;
+temp := 0;
+while n > 0 do  {
        temp := minus2;
        minus2 := minus1 + minus2;
        minus1 := temp;
        n := n - 1
-     };
-     fib_res := minus2
-}
+};
+fib_res := minus2;
+print fib_res 
+