There are 10 type of people... [not a repost]

Those who don't know **Unary**,

Those who know **Binary**,

Those who thought this joke is not in **Ternary**,

Those who thought I won't go further than **Quaternary**,

Those who thought the joke is in **Quinary**,

Those who understand **Senary**,

Those who thought **Septenary** doesn't exist,

Those who thought this is **Octonary** joke,

Those who thought I won't use **Nonary**,

And people using other number system,

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And Those who thought the joke is over.