#! /usr/bin/bc -q

define z(x, a[]) {
	return x + a[1]
}

define y(x, *b[]) {
	return x + b[1]
}

a[0] = 5
a[1] = 6

b[0] = 8
b[1] = 7

z(a[0], b[])
y(b[0], a[])

halt