--- /dev/null
+import "JavaBuiltin" as Java\r
+\r
+(+) = Java.iadd\r
+(-) = Java.isub\r
+(<=) = Java.icmple\r
+\r
+fibonacci x = if x <= (1 :: Integer) \r
+ then 1 :: Integer \r
+ else fibonacci (x - 1) \r
+ + fibonacci (x - 2)\r
+\r
+main = fibonacci 10\r
+--\r
+89
\ No newline at end of file