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.

[EX Q]: 8157 - 2717 - 1214 + 8558 + 7391 - 7163 + 6203 - 6912
[EX A]: 4011

[EX Q]: 23 - 7991 - 1064 + 8364
[EX A]: 714

[EX Q]: 7371 - 9025 + 8352 - 9201 - 9297 - 3561 + 8576
[EX A]:
21527