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: 4104 sottrazione 2375 aggiunta 2084 aggiunta 1034 aggiunta 3328 sottrazione 6649 aggiunta 8236 aggiunta 4651 sottrazione 2599

Solution: 11814