def avos_sum(x: int, y: int) ->int:
    """
    The avos sum is the non-zero minumum of x and y
    :param x: operand 1
    :param y: operand 2
    :return: avos sum
    """
    if x == 0:
        return y
    if y == 0:
        return x
    if x < y:
        return x
    return y
