class A
- readable writable var _val: Int = 0
+ var val: Int = 0
fun hop(a: A, b: A, c: A)
do
if a.val > val then
c.val = 2
d.val = 3
var i = 0
-while i < 100000 do
+
+var n = 10
+if args.not_empty then n = args.first.to_i
+
+while i < 1.lshift(n) do
a.hop(b, c, d)
i = i + 1
end