extern printf = (*i64, varargs) => i64;

let main = () => i64 {
	let y = (f: (i64) => i64, x: i64) => i64 {
		return f(x);
	};

	let id = (a: i64) => i64 {
		printf("%d\n", a);
		printf("%d\n", 12);
		return a;
	};

	return y(id, 2);
};