from "field" import FIELD_SIZE_IN_BITS;
import "utils/pack/bool/unpack";
import "utils/casts/u16_from_bits";
def main(field input) -> u16 {
bool[FIELD_SIZE_IN_BITS] bits = unpack(input);
return u16_from_bits(bits[FIELD_SIZE_IN_BITS-16..]);
}