from typing import Tuple


def unpack(word: int) -> Tuple[int, int, int]:
    """
    Unpacks 8-bit unsigned int into
    bits 4..7 => x, bits 2..3 => y, and bits 0..1 => z
    Returns (x, y, z) in a Tuple
    """
    x = (word >> 4) & 15
    y = (word >> 2) & 3
    z = word & 3
    bits = (x, y, z)
    return bits