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: 6091 - 9741 + 8943 + 4033 - 2984 + 4984 + 8503

Answer: -7647


Question: 6433 + 6891 + 2386 - 7923 - 2419 + 7641

Answer: -143


Question: 8485 - 5210 + 5782 + 9255 + 3766 + 178 - 2015

Answer:
-3271