diff --git a/fibonacci/julia/code.jl b/fibonacci/julia/code.jl
index 33f00167..6abecbb9 100644
--- a/fibonacci/julia/code.jl
+++ b/fibonacci/julia/code.jl
@@ -1,15 +1,5 @@
-# base case 1
-fibonacci(::Val{0}) = 0
-# base case 2
-fibonacci(::Val{1}) = 1
-# general case
-fibonacci(::Val{n}) where n = fibonacci(Val(n-1)) + fibonacci(Val(n-2))
+fibonacci(n) = n < 2 ? n : fibonacci(n-1) + fibonacci(n-2)
 
-let
-    u = parse(Int,ARGS[1])
-    r = 0
-    for i ∈ 1:u
-        r += fibonacci(Val(i))
-    end
-    println(r)
-end
\ No newline at end of file
+main(u) = println(sum(fibonacci, 1:u))
+
+isinteractive() || main(parse(Int, ARGS[1]))
diff --git a/loops/julia/code.jl b/loops/julia/code.jl
index 94277366..8908deff 100644
--- a/loops/julia/code.jl
+++ b/loops/julia/code.jl
@@ -1,12 +1,13 @@
-let
+function main(u)
     a = zeros(Int,10^4)
-    u = parse(Int,ARGS[1])
     r = rand(1:10^4)
-    @inbounds for i ∈ 1:10^4
-        @inbounds for j ∈ 1:10^5
-            a[i] = a[i] + j%u 
+    for i ∈ 1:10^4
+        for j ∈ 1:10^5
+            a[i] += j%u
         end
-        a[i] = a[i] + r
+        a[i] += r
     end
     println(a[r])
-end
\ No newline at end of file
+end
+
+isinteractive() || main(parse(Int, first(ARGS)))