Function: mod(product(exp(numbers("per"), numbers("xxy")), numbers("per")) if exp(numbers("per"), numbers("xxy")) > band pass(10 *(product(exp(numbers("per"), numbers("xxy")), numbers("per")))) else 10 *(product(exp(numbers("per"), numbers("xxy")), numbers("per"))), band pass(10 *(product(exp(numbers("per"), numbers("xxy")), numbers("per")))))