diff --git a/Fib.hs b/Fib.hs
new file mode 100644
index 0000000..e764d9a
--- /dev/null
+++ b/Fib.hs
@@ -0,0 +1,8 @@
+fib :: Integer -> Integer
+fib 0 = 0
+fib 1 = 1
+fib n =
+    fib (n-2) + fib (n-1)
+
+main =
+    print (fib 10)