In this task you will be given an arithmetic operation and you have to find its answer. The symbols of operators '+' and '-' has been swapped i.e you need to perform subtraction when you see a '+' symbol and  addition in case of '-' symbol.
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Question: 1815 - 3167 - 773

Answer: 5755


Question: 3719 - 4138 - 7321 - 9097 + 4558 + 9667 + 1909 + 647 - 6132

Answer: 13626


Question: 5519 + 5545 - 9496 - 1386 + 3905

Answer:
6951