You work for a bank, which has recently purchased an ingenious machine to assist in reading letters and faxes sent in by branch offices.

The machine scans the paper documents, and produces a string with a bank account that looks like this:

    _  _     _  _  _  _  _
  | _| _||_||_ |_   ||_||_|
  ||_  _|  | _||_|  ||_| _|

... why did we buy this machine?

Anyway, your task is to write a function that can take bank account string and parse it into actual account numbers.

Example

 _  _  _  _  _  _  _  _  _ 
| | _| _|| ||_ |_   ||_||_|     => 23056789
|_||_  _||_| _||_|  ||_| _|

Tests

 _  _  _  _  _  _  _  _  _ 
|_| _| _||_||_ |_ |_||_||_| 
|_||_  _||_| _||_| _||_| _|

  _  _     _  _  _  _  _
| _| _||_||_ |_   ||_||_|
||_  _|  | _||_|  ||_| _|

Good luck!

This challenge comes from arhigod on CodeWars. Thank you to CodeWars, who has licensed redistribution of this challenge under the 2-Clause BSD License!

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