In this task you will be given an arithmetic operation in Italian and you have to find its answer. The operations 'addition' and 'subtraction' have been replaced with their italian translations i.e you need to perform addition when you see 'aggiunta' and subtraction in case of 'sottrazione'.
Example: 10 sottrazione 7
Example solution: 3
Example explanation: Here, 'sottrazione' represents the subtraction operation. So, the answer is 3 (10-7=3).

Problem: 3569 aggiunta 3059 aggiunta 2573 aggiunta 9695 aggiunta 4946 sottrazione 5608 aggiunta 6511 aggiunta 5936 sottrazione 5678

Solution: 25003