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.

Q: 6284 + 1234 + 9639 + 1470 + 4137 + 9445 + 5309 + 9797 - 4507

A: -30240
****
Q: 171 - 966 + 1234 - 1722 - 4406 + 9773 - 1161

A: -2581
****
Q: 2490 + 5374 - 5450 + 7935 + 44 + 6346 + 6760

A:
-18519
****