Have you ever programmed in Brainf**k? If yes, then you know how annoying it is to press the same key several times in a row. So what we all need, is a good editor. Here are the functions that the editor should have:

Please note, that the solution may only be submitted in Brainf**k or Intercal.

Input

There is exactly one test case. You can assume, that there is no key press of 'd' when the line is still empty.

Output

Print the output that the editor described above would produce on the given input. You can assume, that no line is created with more than 150 characters.

Example

Input:

sample-test
-dd-d-dd
end signalled by two newlines



 
Output:

sample-test
--------------------------------------------
enen signalleenen signalle by two newlines