Ticket numbers range from 000 to 999. If the difference between two adjacent numbers in a ticket number is equal to 5, this ticket is called a good ticket. So, how many of these votes are not good votes?
票的编号由000到999．如果一张票的号码中有某两个相邻数字的差等于5，就将这张票称为好票．那么，这些票中不是好票的数目有多少张．
<gadget id="calculator">10 * 10 * 10</gadget>
<output>1_000</output>

<gadget id="calculator">40 - 2</gadget>
<output>38</output>

<gadget id="calculator">38 * 5</gadget>
<output>190</output>

<gadget id="calculator">1_000 - 190</gadget>
<output>810</output>

<result>810</result>