global x: u32; global y: s32 = 9990; fn fib (n: s32) -> s32 { if n <= 1 { n } else { fib(n - 1) + fib(n - 2) } } fn add (a: s32, b: s32) -> s32 { a + b } fn subrt { print(x % 3, y * 2); } fn noret (a: s32) { print(a) }