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 input: 10 sottrazione 7
Example output: 3
Example explanation: Here, 'sottrazione' represents the subtraction operation. So, the answer is 3 (10-7=3).
Q: 8054 sottrazione 2667 sottrazione 3089 sottrazione 5946 sottrazione 8404 aggiunta 7360 sottrazione 9457 aggiunta 3935
A:
-10214