repayment

You can cancel and pay the cancellation fee, sure. You don't get a reduction for not using it. 

I don't understand the question either.  It might be clearer if use your native language.

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How do I Cancel my Subscription?
https://helpx.adobe.com/manage-account/using/cancel-subscription.html
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Subscription & Cancellation Terms:
https://www.adobe.com/legal/subscription-terms.html

CONTACT ADOBE SUPPORT:
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Online Chat: https://helpx.adobe.com/contact.html?rghtup=autoOpen
Phone M-F, during normal business hours: https://helpx.adobe.com/contact/phone.html

I don't understand what you mean by "repay"

Do you mean you want to cancel your subscription?