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: 3546 sottrazione 5860 sottrazione 8790 aggiunta 4570 sottrazione 5037 aggiunta 807 sottrazione 1691 aggiunta 2136 sottrazione 1053
A:
-11372