--- a/fib.while	Wed Nov 28 07:00:35 2012 +0000
+++ b/fib.while	Wed Nov 28 07:03:29 2012 +0000
@@ -2,7 +2,7 @@
    input: n
    output: fib_res */
 
-n := 90;
+n := 19;
 minus1 := 0;
 minus2 := 1;
 temp := 0;