-import "Prelude"\r
-\r
-fib :: Integer -> Integer\r
-fib x = match x with\r
- v | v <= 2 -> 1\r
- | True -> fib (v-1) + fib (v-2)\r
-\r
-main = fib 13\r
---\r
+import "Prelude"
+
+fib :: Integer -> Integer
+fib x = match x with
+ v | v <= 2 -> 1
+ | True -> fib (v-1) + fib (v-2)
+
+main = fib 13
+--
233
\ No newline at end of file