diff -r e85600529ca5 -r 4794759139ea progs/fib.while
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/progs/fib.while	Sat Jun 15 09:23:18 2013 -0400
@@ -0,0 +1,15 @@
+/* Fibonacci Program
+   input: n
+*/
+
+n := 19;
+minus1 := 0;
+minus2 := 1;
+while n > 0 do {
+       temp := minus2;
+       minus2 := minus1 + minus2;
+       minus1 := temp;
+       n := n - 1
+};
+write minus2 
+