// Compiler:
//  	stdout: 120

func factorial(x: i32) i32 {
	if x == 0 {
		return 1;
	} else {
		return factorial(x - 1) * x;
	}

	return 1;
}

extern func printf(x: *char,...) void;

pub func main() i32 {

	printf("%i\n",factorial(5));
	return 0;
}