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: 7766 aggiunta 9325 sottrazione 1489 sottrazione 8364 aggiunta 1151 aggiunta 9041 aggiunta 9757 sottrazione 2853 aggiunta 8136
A:
32470