spwn 0.0.6

move_counter = (from, to) {
    for i in 16..0 {
        x = 2^i

        -> if from >= x {
            from -= x
            to += x
        }
    }
}



add = (c1, c2) {
    out = counter()
    move_counter(c1, out)
    move_counter(c2, out)
}