The ID Card Number consists of 3 letters followed by 6 digits, of which the first digit (at position 4) is the check digit.
    Each letter has a numerical value, as shown below:
    A: 22
    B: 23
    C: 24
    D: 13
    E: 14
    F: 15
    G: 16
    H: 17
    I: 18
    J: 19
    K: 20
    L: 21
    M: 22
    N: 23
    O: 24
    P: 25
    Q: 26
    R: 27
    S: 28
    T: 29
    U: 30
    V: 31
    W: 32
    X: 33
    Y: 34
    Z: 35
    The next step is to multiply each so obtained value by its respective "weight". The assigned weights for each position are:
    1-th character: 8
    2-nd character: 4
    3-rd character: 2
    5-th character: 7
    6-th character: 3
    7-th character: 1
    8-th character: 7
    9-th character: 3 Respond with at most 400 words.
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