
    Write a function that processes a vehicle's diagnostic sensor reading by setting all even-positioned bits to 1, where each even bit represents a critical maintenance parameter that needs inspection. The function should take a binary sensor reading as input and modify it to flag all potential maintenance checks, regardless of their current status, while preserving the odd-positioned diagnostic values.
    

    
def even_bit_set_number(n):
    """
    Write a function that processes a vehicle's diagnostic sensor reading by setting all even-positioned bits to 1, where each even bit represents a critical maintenance parameter that needs inspection. The function should take a binary sensor reading as input and modify it to flag all potential maintenance checks, regardless of their current status, while preserving the odd-positioned diagnostic values.
    

    """
def even_bit_set_number(n):
    """
    Write a function that processes a vehicle's diagnostic sensor reading by setting all even-positioned bits to 1, where each even bit represents a critical maintenance parameter that needs inspection. The function should take a binary sensor reading as input and modify it to flag all potential maintenance checks, regardless of their current status, while preserving the odd-positioned diagnostic values.
    

    """
    count = 0
    res = 0
    temp = n
    while temp > 0:
        if count % 2 == 1:
            res |= 1 << count
        count += 1
        temp >>= 1
    return n | res