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: 8601 sottrazione 6904 sottrazione 1906 sottrazione 2375 aggiunta 84 aggiunta 4331 aggiunta 8174 aggiunta 3868

Solution: 13873