# Kata Casavo

Given a string representation of a train, print an ASCII-art representation of this train.

* `H`: locomotive `<HHHH`
* `P`: passenger car `|OOOO|`

Cars are attached together by `::`

`HPP` ---> `<HHHH::|OOOO|::|OOOO|`

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- `R`: restaurant car `|hThT|`

`HPRP` —> `<HHHH::|OOOO|::|hThT|::|OOOO|`

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- `H`: locomotive attached at the end `HHHH>`

`HPRPH` —> `<HHHH::|OOOO|::|hThT|::|OOOO|::HHHH>`

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- A car can be deatached from the head or the end of the train

`HPRPH` —> `<HHHH::|OOOO|::|hThT|::|OOOO|::HHHH>`—> detachEnd —> `<HHHH::|OOOO|::|hThT|::|OOOO|`—> detachHead —> `|OOOO|::|hThT|::|OOOO|`