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'.
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Question: 4743 aggiunta 356 sottrazione 163 sottrazione 3495 aggiunta 8886 aggiunta 1867 sottrazione 7071

Answer: 5123


Question: 7150 aggiunta 653 sottrazione 7332

Answer: 471


Question: 8691 aggiunta 708 aggiunta 148 sottrazione 7944

Answer:
1603